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Unusual low-temperature behavior in the half-filled band of the one-dimensional extended Hubbard model in atomic limit
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2024
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Onofre Rojas
S. M. de Souza
J. Torrico
Luan M. Veríssimo
Maria S. S. Pereira
M. L. Lyra
Oleg Derzhko
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One-dimensionally confined ammonia molecules: A theoretical study
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2023
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Maksym Druchok
V.O. Krasnov
Taras Krokhmalskii
Oleg Derzhko
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Spin-half Heisenberg antiferromagnet on a symmetric sawtooth chain: rotation-invariant Green’s functions and high-temperature series
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2023
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Taras Hutak
Taras Krokhmalskii
Oleg Derzhko
Johannes Richter
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Toward a quasiphase transition in the single-file chain of water molecules: Simple lattice model
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2023
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Maksym Druchok
V.O. Krasnov
Taras Krokhmalskii
Tatiana Cardoso e Bufalo
S. M. de Souza
Onofre Rojas
Oleg Derzhko
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Towards a quasiphase transition in the single-file chain of water molecules: Simple lattice model
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2023
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Maksym Druchok
Volodymyr Krasnov
Taras Krokhmalskii
Tatiana R. Cardoso
S. M. de Souza
Onofre Rojas
Oleg Derzhko
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Spin-half Heisenberg antiferromagnet on a symmetric sawtooth chain: Rotation-invariant Green's functions and high-temperature series
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2023
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Taras Hutak
Taras Krokhmalskii
Oleg Derzhko
Johannes Richter
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One-dimensionally confined ammonia molecules: A theoretical study
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2023
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Maksym Druchok
V.O. Krasnov
Taras Krokhmalskii
Oleg Derzhko
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Thermodynamics of the $S=1/2$ hyperkagome-lattice Heisenberg antiferromagnet
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2023
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Taras Hutak
Taras Krokhmalskii
Oleg Derzhko
Jürgen Schnack
Johannes Richter
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Quantum Heisenberg model on a sawtooth-chain lattice: rotation-invariant Green’s function method
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2022
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Taras Hutak
Taras Krokhmalskii
Oleg Derzhko
Johannes Richter
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Thermodynamics of the spin-half square kagome lattice antiferromagnet
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2022
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Johannes Richter
Oleg Derzhko
Jürgen Schnack
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Frustrated magnetism of spin- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> Heisenberg diamond and octahedral chains as a statistical mechanical monomer-dimer problem
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2022
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Jozef Strečka
Taras Verkholyak
Johannes Richter
Katarína Karľová
Oleg Derzhko
Jürgen Schnack
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Towards low-temperature peculiarities of thermodynamic quantities for decorated spin chains
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2021
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Taras Krokhmalskii
Taras Hutak
Onofre Rojas
S. M. de Souza
Oleg Derzhko
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Low-temperature thermodynamics of the two-leg ladder Ising model with trimer rungs: A mystery explained
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2020
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Taras Hutak
Taras Krokhmalskii
Onofre Rojas
S. M. de Souza
Oleg Derzhko
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Spin- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> XX chain in a transverse field with regularly alternating <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>g</mml:mi></mml:math> factors: Static and dynamic properties
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2020
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Taras Krokhmalskii
Taras Verkholyak
O. R. Baran
Vadim Ohanyan
Oleg Derzhko
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Flat-band physics in the spin-1/2 sawtooth chain
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2020
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Oleg Derzhko
Jürgen Schnack
Д. В. Дмитриев
V. Ya. Krivnov
Johannes Richter
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Adapting Planck's route to investigate the thermodynamics of the spin-half pyrochlore Heisenberg antiferromagnet
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2020
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Oleg Derzhko
Taras Hutak
Taras Krokhmalskii
Jürgen Schnack
Johannes Richter
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Peculiarities in pseudo-transitions of a mixed spin-(1/2, 1) Ising–Heisenberg double-tetrahedral chain in an external magnetic field
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2019
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Onofre Rojas
Jozef Strečka
Oleg Derzhko
S. M. de Souza
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Thermodynamics of the pyrochlore-lattice quantum Heisenberg antiferromagnet
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2019
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Patrick Müller
Andre Lohmann
Johannes Richter
Oleg Derzhko
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Correlation functions for a spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e2272" altimg="si6.gif"><mml:mfrac><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mfrac></mml:math> Ising-XYZ diamond chain: Further evidence for quasi-phases and pseudo-transitions
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2019
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I. M. Carvalho
J. Torrico
S. M. de Souza
Onofre Rojas
Oleg Derzhko
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Ising versus Potts criticality in low-temperature magnetothermodynamics of a frustrated spin- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> Heisenberg triangular bilayer
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2018
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Jozef Strečka
Katarína Karľová
Vasyl Baliha
Oleg Derzhko
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The spin-1/2 Heisenberg ferromagnet on the pyrochlore lattice: A Green's function study
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2018
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Taras Hutak
Müller
Richter
Krokhmalskii
Oleg Derzhko
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Thermodynamic properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ba</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>CoSi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>6</mml:mn></mml:msub><mml:msub><mml:mi>Cl</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math> in a strong magnetic field: Realization of flat-band physics in a highly frustrated quantum magnet
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2018
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Johannes Richter
Olesia Krupnitska
Vasyl Baliha
Taras Krokhmalskii
Oleg Derzhko
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Thermodynamics of the pyrochlore Heisenberg ferromagnet with arbitrary spin <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>S</mml:mi></mml:math>
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2017
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Patrick Müller
Andre Lohmann
Johannes Richter
Oleg Menchyshyn
Oleg Derzhko
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One-Dimensional Tasaki-Hubbard Model in Paramagnetic Limit
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2017
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Vasyl Baliha
Johannes Richter
Oleg Derzhko
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Magnetization process and low-temperature thermodynamics of a spin-1/2 Heisenberg octahedral chain
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2017
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Jozef Strečka
Johannes Richter
Oleg Derzhko
Taras Verkholyak
Katarína Karľová
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Frustrated honeycomb-lattice bilayer quantum antiferromagnet in a magnetic field
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2017
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Taras Krokhmalskii
Vasyl Baliha
Oleg Derzhko
Jörg Schulenburg
Johannes Richter
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Diversity of quantum ground states and quantum phase transitions of a spin- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> Heisenberg octahedral chain
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2017
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Jozef Strečka
Johannes Richter
Oleg Derzhko
Taras Verkholyak
Katarína Karľová
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Frustrated honeycomb-lattice bilayer quantum antiferromagnet in a magnetic field: Unconventional phase transitions in a two-dimensional isotropic Heisenberg model
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2017
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Taras Krokhmalskii
Vasyl Baliha
Oleg Derzhko
Jörg Schulenburg
Johannes Richter
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Spectacular diversity of quantum ground states and quantum phase transitions of a spin-1/2 Heisenberg octahedral chain
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2017
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Jozef Strečka
Johannes Richter
Oleg Derzhko
Taras Verkholyak
Katarína Karľová
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Quantum phase transitions: a variational mean-field perspective
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2017
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Johannes Richter
Oleg Derzhko
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Wetting in the presence of the electric field: The classical density functional theory study for a model system
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2017
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V. M. Myhal
Oleg Derzhko
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Hubbard models with nearly flat bands: Ground-state ferromagnetism driven by kinetic energy
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2016
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Patrick Müller
Johannes Richter
Oleg Derzhko
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Magnetism-driven ferroelectricity in spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac><mml:mi> </mml:mi><mml:mrow><mml:mi>X</mml:mi><mml:mi>Y</mml:mi></mml:mrow></mml:math>chains
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2015
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Oleg Menchyshyn
Vadim Ohanyan
Taras Verkholyak
Taras Krokhmalskii
Oleg Derzhko
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Effective low-energy description of almost Ising-Heisenberg diamond chain
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2015
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Oleg Derzhko
Olesia Krupnitska
Bohdan Lisnyi
Jozef Strečka
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Strongly correlated flat-band systems: The route from Heisenberg spins to Hubbard electrons
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2015
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Oleg Derzhko
Johannes Richter
Mykola Maksymenko
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Frustrated diamond-chain quantum XXZ Heisenberg antiferromagnet in a magnetic field
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2014
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Johannes Richter
Olesia Krupnitska
Taras Krokhmalskii
Oleg Derzhko
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Dispersion-driven ferromagnetism in a flat-band Hubbard system
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2014
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Oleg Derzhko
Johannes Richter
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The square-kagome quantum Heisenberg antiferromagnet at high magnetic fields: The localized-magnon paradigm and beyond
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2014
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Oleg Derzhko
Johannes Richter
Olesia Krupnitska
Taras Krokhmalskii
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Ferromagnetism in flat bands and Pauli-correlated percolation
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2014
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Mykola Maksymenko
A. Honecker
Roderich Moessner
Johannes Richter
Oleg Derzhko
Kirill Shtengel
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Numerical study of magnetization plateaus in the spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math>kagome Heisenberg antiferromagnet
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2013
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Sylvain Capponi
Oleg Derzhko
A. Honecker
Andreas M. Läuchli
Johannes Richter
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Frustrated quantum Heisenberg antiferromagnets at high magnetic fields: Beyond the flat-band scenario
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2013
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Oleg Derzhko
Johannes Richter
Olesia Krupnitska
Taras Krokhmalskii
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Compressibility of deformable spin chains near quantum critical points
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2013
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Oleg Derzhko
Jozef Strečka
Lucia Gálisová
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Semiquantitative theory for high-field low-temperature properties of a distorted diamond spin chain
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2012
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Oleg Derzhko
Richter
Olesia Krupnitska
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Flat-Band Ferromagnetism as a Pauli-Correlated Percolation Problem
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2012
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Mykola Maksymenko
A. Honecker
Roderich Moessner
Johannes Richter
Oleg Derzhko
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Magnetocaloric effect in spin-1/2 XX chains with three-spin interactions
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2012
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M. Topilko
Taras Krokhmalskii
Oleg Derzhko
Vadim Ohanyan
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Localized states on triangular traps and low-temperature properties of the antiferromagnetic Heisenberg and repulsive Hubbard models
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2011
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Mykola Maksymenko
Oleg Derzhko
Johannes Richter
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Quantum Heisenberg antiferromagnet on low-dimensional frustrated lattices
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2011
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Oleg Derzhko
Taras Krokhmalskii
J. Richter
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Dynamic Properties of Spin-1/2 XX Chain with Three-Site Interactions of (XZY - YZX)-Type
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2011
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M. Topilko
Oleg Derzhko
Taras Krokhmalskii
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Exact solution of a spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mfrac><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mfrac></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="italic">XX</mml:mi></mml:mrow></mml:math>chain with three-site interactions in a random transverse field: Influence of randomness on the quantum phase transition
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2011
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Volodymyr Derzhko
Oleg Derzhko
Johannes Richter
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Ground-state properties of the spin-1/2 Heisenberg-Ising bond alternating chain with Dzyaloshinskii-Moriya interaction
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2011
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Jozef Strečka
Lucia Gálisová
Oleg Derzhko
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Emergent Ising degrees of freedom in frustrated two-leg ladder and bilayer<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>s</mml:mi><mml:mo>=</mml:mo><mml:mstyle scriptlevel="1"><mml:mfrac bevelled="false"><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:mstyle></mml:mrow></mml:math>Heisenberg antiferromagnets
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2010
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Oleg Derzhko
Taras Krokhmalskii
Johannes Richter
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Magnetic Properties of the Hubbard Model on Kagome Stripes
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2010
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Oleg Derzhko
Mykola Maksymenko
Johannes Richter
A. Honecker
Roderich Moessner
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Ground-State Properties of the Spin-1/2 Heisenberg-Ising Bond Alternating Chain with Dzyaloshinskii-Moriya Interaction
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2010
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Jozef Strečka
Lucia Gálisová
Oleg Derzhko
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Low-temperature properties of the Hubbard model on highly frustrated one-dimensional lattices
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2010
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Oleg Derzhko
Johannes Richter
A. Honecker
Mykola Maksymenko
Roderich Moessner
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Magnetic properties of the Hubbard model on kagome stripes
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2010
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Oleg Derzhko
Mykola Maksymenko
Jonas Richter
A. Honecker
Roderich Moessner
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Ground-state degeneracy and low-temperature thermodynamics of correlated electrons on highly frustrated lattices
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2009
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A. Honecker
Oleg Derzhko
Johannes Richter
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Exact low-temperature properties of a class of highly frustrated Hubbard models
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2009
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Oleg Derzhko
A. Honecker
Johannes Richter
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Low-temperature thermodynamics of one class of flat-band models
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2009
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Oleg Derzhko
Johannes Richter
A. Honecker
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Ground state phases of the spin-1/2<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mi>J</mml:mi><mml:mn>1</mml:mn></mml:msub><mml:mo>–</mml:mo><mml:msub><mml:mi>J</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>Heisenberg antiferromagnet on the square lattice: A high-order coupled cluster treatment
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2008
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R. Darradi
Oleg Derzhko
Ronald Zinke
J. Schulenburg
Sven E. Krüger
Johannes Richter
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THE SAWTOOTH CHAIN: FROM HEISENBERG SPINS TO HUBBARD ELECTRONS
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2008
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Johannes Richter
Oleg Derzhko
A. Honecker
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JORDAN-WIGNER FERMIONIZATION AND THE THEORY OF LOW-DIMENSIONAL QUANTUM SPIN MODELS.: DYNAMIC PROPERTIES
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2008
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Oleg Derzhko
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Dynamic properties of the spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mstyle scriptlevel="1"><mml:mfrac bevelled="false"><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:mstyle></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>X</mml:mi><mml:mi>Y</mml:mi></mml:mrow></mml:math>chain with three-site interactions
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2008
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Taras Krokhmalskii
Oleg Derzhko
Joachim Stolze
Taras Verkholyak
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Low-temperature thermodynamics for a flat-band ferromagnet: Rigorous versus numerical results
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2007
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Oleg Derzhko
A. Honecker
Johannes Richter
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Dynamic properties of quantum spin chains: Simple route to complex behavior
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2007
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Taras Verkholyak
Oleg Derzhko
Taras Krokhmalskii
Joachim Stolze
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Universal properties of highly frustrated quantum magnets in strong magnetic fields
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2007
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Oleg Derzhko
Johannes Richter
A. Honecker
H.-J. Schmidt
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Finite-temperature order-disorder phase transition in a frustrated bilayer quantum Heisenberg antiferromagnet in strong magnetic fields
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2006
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Johannes Richter
Oleg Derzhko
Taras Krokhmalskii
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Dynamic Structure Factors of the Spin-1/2<i>X</i><i>X</i>Chain with Dzyaloshinskii–Moriya Interaction
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2006
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Oleg Derzhko
Taras Verkholyak
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Universal low-temperature behavior of frustrated quantum antiferromagnets in the vicinity of the saturation field
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2006
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Oleg Derzhko
Johannes Richter
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Dynamic probes of quantum spin chains with the Dzyaloshinskii-Moriya interaction
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2006
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Oleg Derzhko
Taras Verkholyak
Taras Krokhmalskii
H. Büttner
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The effects of the symmetric and antisymmetric anisotropies on the dynamics of the spin- XY chain
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2006
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Oleg Derzhko
Taras Verkholyak
Taras Krokhmalskii
H. Büttner
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Dynamics of quantum spin chains and multi-fermion excitation continua
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2006
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Oleg Derzhko
Taras Krokhmalskii
Joachim Stolze
Gerhard Müller
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A microscopic theory of photonucleation: Density functional approach to the properties of a fluid of two-level atoms, a part of which is excited
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2006
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Oleg Derzhko
V. M. Myhal
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A microscopic theory of photonucleation: Density functional approach for the properties of a fluid of two-level atoms, a part of which is excited
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2006
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Oleg Derzhko
V. M. Myhal
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Structural distortions of frustrated quantum spin lattices in high magnetic fields
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2005
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Oleg Derzhko
Johannes Richter
Jörg Schulenburg
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Structural instability of two- and three-dimensional pyrochlore spin lattices in high magnetic fields
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2005
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Oleg Derzhko
Johannes Richter
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Quantum Phase Transitions in s = 1/2 Ising Chain in a Regularly Alternating Transverse Field
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2005
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Oleg Derzhko
Tras Krokhmalskii
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Jordan-Wigner Approach to Dynamic Correlations in 2D Spin-1/2 Models
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2005
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Oleg Derzhko
Taras Krokhmalskii
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Dimer and trimer fluctuations in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>s</mml:mi><mml:mo>=</mml:mo><mml:mstyle scriptlevel="1"><mml:mfrac bevelled="false"><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mfrac></mml:mstyle></mml:mrow></mml:math>transverse<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>X</mml:mi><mml:mi>X</mml:mi></mml:mrow></mml:math>chain
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2005
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Oleg Derzhko
Taras Krokhmalskii
Joachim Stolze
Gerhard Müller
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Quantum phase transitions in spin- Ising chain in regularly alternating transverse field: Spin correlation functions
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2005
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Oleg Derzhko
Taras Krokhmalskii
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Quantum phase transition in a transverse Ising chain with regularly varying parameters
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2004
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Oleg Derzhko
J. Richter
Taras Krokhmalskii
O. Zaburannyi
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Finite low-temperature entropy of some strongly frustrated quantum spin lattices in the vicinity of the saturation field
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2004
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Oleg Derzhko
Johannes Richter
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Magnetic-Field Induced Spin-Peierls Instability in Strongly Frustrated Quantum Spin Lattices
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2004
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Johannes Richter
Oleg Derzhko
Jörg Schulenburg
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Regularly alternating spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mstyle scriptlevel="1"><mml:mfrac bevelled="false"><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mfrac></mml:mstyle></mml:mrow></mml:math>anisotropic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>X</mml:mi><mml:mi>Y</mml:mi></mml:mrow></mml:math>chains: The ground-state and thermodynamic properties
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2004
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Oleg Derzhko
Johannes Richter
Taras Krokhmalskii
O. Zaburannyi
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QUANTUM PHASE TRANSITIONS IN ALTERNATING TRANSVERSE ISING CHAINS
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2004
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Oleg Derzhko
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Quantum phase transition in a transverse Ising chain with regularly varying parameters
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2004
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Oleg Derzhko
Johannes Richter
Taras Krokhmalskii
O. Zaburannyi
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Dynamics of zz spin correlations in the square-lattice spin- isotropic XY model
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2003
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Oleg Derzhko
Taras Krokhmalskii
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Square-lattice model and the Jordan–Wigner fermions: the ground-state and thermodynamic properties
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2003
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Oleg Derzhko
Taras Verkholyak
R. Schmidt
Johannes Richter
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There is life in the old horse yet or what else we can learn studying spin-1/2 XY chains
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2003
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Oleg Derzhko
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Quantum phase transitions in alternating transverse Ising chains: Analytical and numerical results
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2002
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Oleg Derzhko
Johannes Richter
Taras Krokhmalskii
O. Zaburannyi
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Ground-state correlations of itinerant electrons in the spinless Falicov-Kimball chain and related tight-binding systems
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2002
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Janusz Jędrzejewski
Taras Krokhmalskii
Oleg Derzhko
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There is life in the old horse yet or what else we can learn studying spin-1/2 XY chains
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2002
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Oleg Derzhko
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Quantum spin chains with regularly alternating bonds and fields
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2002
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Oleg Derzhko
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PDF
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Nucleation phenomena in a nonuniform atomic fluid in the electrical field
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2001
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Oleg Derzhko
V. M. Myhal
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Incommensurate spin-peierls phases in the one-dimensional quantum isotropic<i>XY</i>model
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2001
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Oleg Derzhko
Taras Krokhmalskii
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Jordan-Wigner fermionization for spin-1/2 systems in two dimensions: A brief review
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2001
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Oleg Derzhko
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Jordan-Wigner fermions and the spin-1/2 anisotropic XY model on a square lattice
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2001
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Oleg Derzhko
Johannes Richter
Taras Verkholyak
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Jordan–Wigner fermionization for spin-½ systems in two dimensions: A brief review
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2001
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Oleg Derzhko
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Jordan-Wigner fermionization for spin-1/2 systems in two dimensions: A brief review
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2001
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Oleg Derzhko
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PDF
Chat
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Local magnetic properties of periodic nonuniform spin- XX chains
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2000
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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PDF
Chat
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The ground state properties of the spin-½ transverse Ising chain with periodically varying bonds and fields
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2000
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Oleg Derzhko
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Incommensurate Spin-Peierls Phases in the One-Dimensional Quantum Isotropic XY Model
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2000
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Oleg Derzhko
Taras Krokhmalskii
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Spin-Peierls instability in a quantum spin chain with Dzyaloshinskii-Moriya interaction
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2000
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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Thermodynamic properties of the periodic nonuniform spin- isotropic XY chains in a transverse field
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2000
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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Spin-1/2 Periodic Nonuniform XX Chains and the Spin-Peierls Instability
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2000
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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Dynamics of the spin-½ isotropic<i>XY</i>chain in a transverse field
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2000
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Oleg Derzhko
Taras Krokhmalskii
Joachim Stolze
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Dynamics of Transverse Correlations in Spin-� Isotropic XY Chain with Correlated Lorentzian Disorder
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2000
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Oleg Derzhko
Taras Krokhmalskii
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Spin-1/2 transverse XX chain with a correlated disorder: dynamics of the transverse correlations
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2000
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Oleg Derzhko
Taras Krokhmalskii
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Spin-Peierls instability in the spin-1/2 transverse XX chain with Dzyaloshinskii-Moriya interaction
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2000
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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Magnetization processes in quantum spin chains with regularly alternating intersite interactions
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2000
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Oleg Derzhko
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Nucleation phenomena in a nonuniform atomic fluid in the electrical field
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2000
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Oleg Derzhko
V. M. Myhal
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Incommensurate Spin-Peierls Phases in the One-Dimensional Quantum Isotropic XY Model
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2000
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Oleg Derzhko
Taras Krokhmalskii
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PDF
Chat
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The spin- transverse XX chain with regularly alternating bonds and fields
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1999
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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PDF
Chat
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Magnetic properties of periodic nonuniform spin-1/2XX chains in a random Lorentzian transverse field
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1999
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Oleg Derzhko
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Thermodynamics of the s=1/2 transverse XX chain with Dzyaloshinskii-Moriya interaction in the presence of correlated Lorentzian disorder
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1999
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Oleg Derzhko
J. Richter
Volodymyr Derzhko
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Spin-1/2 periodic nonuniform XX chains and the spin-Peierls instability
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1999
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Oleg Derzhko
Johannes Richter
O. Zaburannyi
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Thermodynamic properties of spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mfrac><mml:mrow><mml:mn>1</mml:mn></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:mfrac></mml:math>transverse<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>XY</mml:mi></mml:math>chains with Dzyaloshinskii-Moriya interaction: Exact solution for correlated Lorentzian disorder
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1999
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Oleg Derzhko
Johannes Richter
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Spin-1/2 XX chains in a transverse field with regular nonuniformity or correlated Lorentzian disorder
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1999
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Oleg Derzhko
Taras Krokhmalskii
O. Zaburannyi
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Dynamics of transverse correlations in the spin-1/2 isotropic XY chain with a correlated Lorentzian disorder
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1998
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Oleg Derzhko
Taras Krokhmalskii
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Initial static susceptibilities of nonuniform and random Ising chains
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1998
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Oleg Derzhko
O. Zaburannyi
J.W. Tucker
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Dynamic properties of spin-1/2 XY chains
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1998
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Oleg Derzhko
Taras Krokhmalskii
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Transverse dynamics of spin-1/2 XX chain with correlated Lorentzian disorder
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1998
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Oleg Derzhko
Taras Krokhmalskii
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Dynamics of transverse correlations in the spin-1/2 isotropic XY chain with a correlated Lorentzian disorder
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1998
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Oleg Derzhko
Taras Krokhmalskii
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Dynamic properties of spin-1/2 XY chains
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1998
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Oleg Derzhko
Taras Krokhmalskii
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PDF
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Solvable model of a random spin- XY chain
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1997
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Oleg Derzhko
Johannes Richter
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PDF
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Random S = ½ XY chains and the theory of quasi-one-dimensional ferroelectrics with hydrogen bonds
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1997
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Oleg Derzhko
Taras Krokhmalskii
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Spin-1/2 isotropic XY chain with Dzyaloshinskii-Moriya interaction in random lorentzian transverse field
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1997
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Oleg Derzhko
Taras Verkholyak
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Spin-1/2 isotropic XY chain with Dzyaloshinskii-Moriya interaction in random lorentzian transverse field
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1997
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Oleg Derzhko
Taras Verkholyak
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PDF
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One variation on Lloyd's theme
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1996
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Oleg Derzhko
Johannes Richter
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Equilibrium Properties of the Gas of Atoms of Which a Part is Excited within Cluster Expansion Method
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1995
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Oleg Derzhko
Р. Р. Левицкий
O. Chernyavskii
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Statistical properties of random spin-1/2 XY chains
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1995
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Oleg Derzhko
Taras Krokhmalskii
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Random $s=1/2$ $XY$ chains and the theory of quasi-one-dimensional ferroelectrics with hydrogen bonds
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1995
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Oleg Derzhko
Taras Krokhmalskii
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Statistical mechanics of one-dimensional s=1/2 anisotropic XY model in transverse field with Dzyaloshinskii-Moriya interaction
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1994
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Oleg Derzhko
A. P. Moina
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Theory of equilibrium properties of a system of atoms some of which are excited
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1988
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Oleg Derzhko
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