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Least Squares Method from the View Point of Deep Learning II: Generalization
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2018
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Kazuyuki Fujii
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Introduction to the Rotating Wave Approximation (RWA): Two Coherent Oscillations
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2017
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Kazuyuki Fujii
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An Algebraic Proof of the Associative Law of Elliptic Curves
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2017
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Kazuyuki Fujii
Hiroshi Ăike
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A SUPERINTRODUCTION TO GOOGLE MATRICES FOR UNDERGRADUATES
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2015
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Kazuyuki Fujii
Hiroshi Ăike
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A Superintroduction to Google Matrices for Undergraduates
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2015
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Kazuyuki Fujii
Hiroshi Ăike
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Exact solution of a master equation applied to the two-level system of an atom
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2014
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Kazuyuki Fujii
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Basic properties of coherent-squeezed states revisited
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2014
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Kazuyuki Fujii
Hiroshi Ăike
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Comment on "Epidemiological modeling of online social network dynamics"
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2014
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Kazuyuki Fujii
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ROTATING WAVE APPROXIMATION OF THE LAW'S EFFECTIVE HAMILTONIAN ON THE DYNAMICAL CASIMIR EFFECT
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2013
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Kazuyuki Fujii
Tatsuo Suzuki
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"Proof" of the Copenhagen Interpretation
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2013
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Kazuyuki Fujii
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Quantum Damped Harmonic Oscillator
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2013
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Kazuyuki Fujii
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AN APPROXIMATE SOLUTION OF THE DYNAMICAL CASIMIR EFFECT IN A CAVITY WITH A TWO-LEVEL ATOM
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2013
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Kazuyuki Fujii
Tatsuo Suzuki
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Decoherence and Copenhagen Interpretation : A Scenario
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2013
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Kazuyuki Fujii
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Basic Properties of Coherent-Squeezed States Revisited
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2013
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Kazuyuki Fujii
Hiroshi Ăike
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Introduction to the Rotating Wave Approximation (RWA) : Two Coherent Oscillations
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2013
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Kazuyuki Fujii
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SUPERLUMINAL GROUP VELOCITY OF NEUTRINOS: REVIEW, DEVELOPMENT AND PROBLEMS
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2012
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Kazuyuki Fujii
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AN APPROXIMATE SOLUTION OF THE JAYNESâCUMMINGS MODEL WITH DISSIPATION II: ANOTHER APPROACH
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2012
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Kazuyuki Fujii
Tatsuo Suzuki
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Superluminal Group Velocity of Neutrinos : Review, Development and Problems
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2012
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Kazuyuki Fujii
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An Approximate Solution of the Dynamical Casimir Effect in a Cavity with a Two-Level Atom
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2012
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Kazuyuki Fujii
Tatsuo Suzuki
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Rotating Wave Approximation of the Law's Effective Hamiltonian on the Dynamical Casimir Effect
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2012
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Kazuyuki Fujii
Tatsuo Suzuki
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Quantum Damped Harmonic Oscillator
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2012
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Kazuyuki Fujii
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AN APPROXIMATE SOLUTION OF THE JAYNESâCUMMINGS MODEL WITH DISSIPATION
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2011
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Kazuyuki Fujii
Tatsuo Suzuki
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SO(4) Re-revisited
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2011
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Kazuyuki Fujii
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CANONICAL FORM OF THE EVOLUTION OPERATOR OF A TIME-DEPENDENT HAMILTONIAN IN THE THREE LEVEL SYSTEM
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2011
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Kazuyuki Fujii
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Beyond the Gaussian
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2011
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Kazuyuki Fujii
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Beyond the Gaussian II : A Mathematical Experiment
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2011
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Kazuyuki Fujii
Hiroshi Ăike
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An Approximate Solution of the Jaynes-Cummings Model with Dissipation II : Another Approach
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2011
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Kazuyuki Fujii
Tatsuo Suzuki
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SO(4) Re-revisited
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2011
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Kazuyuki Fujii
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RICCATI DIAGONALIZATION OF HERMITIAN MATRICES
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2010
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Kazuyuki Fujii
Hiroshi Ăike
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PDF
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A MULTIDIMENSIONAL ANALOGUE OF THE SIMPSON'S FORMULA OF INTEGRAL
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2010
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Kazuyuki Fujii
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A Generalization of the Lamb-Bateman Integral Equation and Fractional Derivatives : A Comment
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2010
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Kazuyuki Fujii
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Canonical form of the Evolution Operator of a Time-Dependent Hamiltonian in the Three Level System
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2010
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Kazuyuki Fujii
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Beyond Gaussian
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2009
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Kazuyuki Fujii
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A GEOMETRIC PARAMETRIZATION OF THE CABIBBOâKOBAYASHIâMASKAWA MATRIX AND THE JARLSKOG INVARIANT
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2009
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Kazuyuki Fujii
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REDUCED DYNAMICS FROM THE UNITARY GROUP TO SOME FLAG MANIFOLDS: INTERACTING MATRIX RICCATI EQUATIONS
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2009
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Kazuyuki Fujii
Hiroshi Ăike
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GENERAL SOLUTION OF THE QUANTUM DAMPED HARMONIC OSCILLATOR II: SOME EXAMPLES
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2009
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Kazuyuki Fujii
Tatsuo Suzuki
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Beyond Gaussian : A Comment
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2009
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Kazuyuki Fujii
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PDF
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ALGEBRAIC STRUCTURE OF A MASTER EQUATION WITH GENERALIZED LINDBLAD FORM
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2008
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Kazuyuki Fujii
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GENERAL SOLUTION OF THE QUANTUM DAMPED HARMONIC OSCILLATOR
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2008
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Ryusuke Endo
Kazuyuki Fujii
Tatsuo Suzuki
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FLOW REPRESENTATION OF THE BOSEâHUBBARD HAMILTONIAN: GENERAL CASE
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2008
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Kazuyuki Fujii
Tatsuo Suzuki
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Introduction of an Elementary Method to Express $\zeta(2n+1)$ in Terms of $\zeta(2k)$ with $k\geq 1$
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2008
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Kazuyuki Fujii
Tatsuo Suzuki
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A Master Equation with Generalized Lindblad Form and a Unitary Transformation by the Squeezing Operator
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2008
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Kazuyuki Fujii
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Introduction of an Elementary Method to Express $ζ(2n+1)$ in Terms of $ζ(2k)$ with $k\geq 1$
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2008
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Kazuyuki Fujii
Tatsuo Suzuki
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A NEW ALGEBRAIC STRUCTURE OF FINITE QUANTUM SYSTEMS AND THE MODIFIED BESSEL FUNCTIONS
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2007
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Kazuyuki Fujii
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Quantum Damped Harmonic Oscillator Revisited
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2007
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Kazuyuki Fujii
Tatsuo Suzuki
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ON THE MAGIC MATRIX BY MAKHLIN AND THE B-C-H FORMULA IN SO(4)
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2007
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Kazuyuki Fujii
Tatsuo Suzuki
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MORE ON THE ISOMORPHISM SU(2) â SU(2) â
SO(4)
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2007
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Kazuyuki Fujii
Hiroshi Ăike
Tatsuo Suzuki
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An Approximate Solution of the Master Equation with the Dissipator being a Set of Projectors
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2007
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Kazuyuki Fujii
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Exponentiation of certain Matrices related to the Four Level System by use of the Magic Matrix
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2007
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Kazuyuki Fujii
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A Higher Order Non--Linear Differential Equation and a Generalization of the Airy Function
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2007
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Kazuyuki Fujii
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Quantum Mechanics with Complex Time : A Comment to the Paper by Rajeev
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2007
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Kazuyuki Fujii
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EXPONENTIATION OF CERTAIN MATRICES RELATED TO THE FOUR LEVEL SYSTEM BY USE OF THE MAGIC MATRIX
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2007
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Kazuyuki Fujii
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UNIVERSAL YANGâMILLS ACTION ON FOUR-DIMENSIONAL MANIFOLDS
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2006
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Kazuyuki Fujii
Hiroshi Ăike
Tatsuo Suzuki
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JARLSKOG'S PARAMETRIZATION OF UNITARY MATRICES AND QUDIT THEORY
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2006
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Kazuyuki Fujii
Kunio Funahashi
Takayuki Kobayashi
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How to Calculate the Exponential of Matrices
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2006
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Kazuyuki Fujii
Hiroshi Ăike
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A Generalization of the Preceding Paper ``A Rabi Oscillation in Four and Five Level Systems"
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2006
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Kazuyuki Fujii
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Universal Yang-Mills Action on Four Dimensional Manifolds
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2006
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Kazuyuki Fujii
Hiroshi Ăike
Tatsuo Suzuki
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STANDARD AND NON-STANDARD QUANTUM MODELS: A NON-COMMUTATIVE VERSION OF THE CLASSICAL SYSTEM OF <font>SU</font>(2) AND <font>SU</font>(1,1) ARISING FROM QUANTUM OPTICS
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2005
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Kazuyuki Fujii
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QUANTUM DIAGONALIZATION METHOD IN THE TAVISâCUMMINGS MODEL
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2005
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Tatsuo Suzuki
Yukako Wada
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Cavity QED and Quantum Computation in the Weak Coupling Regime II : Complete Construction of the Controlled-Controlled NOT Gate
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2005
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Yukako Wada
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From Quantum Optics to Non-Commutative Geometry : A Non-Commutative Version of the Hopf Bundle, Veronese Mapping and Spin Representation
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2005
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Kazuyuki Fujii
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Comment on "A Recursive Parametrisation of Unitary Matrices"
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2005
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Kazuyuki Fujii
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Jarlskog's Parametrization of Unitary Matrices and Qudit Theory
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2005
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Kazuyuki Fujii
Kunio Funahashi
Takayuki Kobayashi
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Study on Dynamics of N Level System of Atom by Laser Fields
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2005
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Kazuyuki Fujii
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EXPLICIT FORM OF THE EVOLUTION OPERATOR OF TAVISâCUMMINGS MODEL: THREE AND FOUR ATOMS CASES
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2004
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Tatsuo Suzuki
Yukako Wada
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PDF
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Cavity QED and quantum computation in the weak coupling regime
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2004
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Yukako Wada
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A NEW SYMMETRIC EXPRESSION OF WEYL ORDERING
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2004
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Kazuyuki Fujii
Tatsuo Suzuki
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Explicit Form of Solution of Two Atoms Tavis-Cummings Model
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2004
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Yukako Wada
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Explicit Form of Evolution Operator of Three Atoms Tavis-Cummings Model
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2004
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Tatsuo Suzuki
Yukako Wada
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Explicit Form of the Evolution Operator for the Four Atoms Tavis-Cummings Model
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2004
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Tatsuo Suzuki
Yukako Wada
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Jaynes-Cummings Model and a Non-Commutative "Geometry" : A Few Problems Noted
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2004
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Kazuyuki Fujii
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Exchange gate on the qudit space and Fock space
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2003
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Kazuyuki Fujii
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Orderings of Operators in Quantum Physics
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2003
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Kazuyuki Fujii
Tatsuo Suzuki
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PDF
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Mathematical structure of Rabi oscillations in the strong coupling regime
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2003
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Kazuyuki Fujii
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A Rabi Oscillation in Four and Five Level Systems
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2003
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Yukako Wada
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Two-Level System and Some Approximate Solutions in the Strong Coupling Regime
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2003
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Kazuyuki Fujii
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Cavity QED and Quantum Computation in the Strong Coupling Regime II : Two Atoms Case
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2003
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Kazuyuki Fujii
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A Generalized Hamiltonian Characterizing the Interaction of the Two-Level Atom and both the Single Radiation Mode and External Field
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2003
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Kazuyuki Fujii
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How To Treat An N-Level System : A Proposal
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2003
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Kazuyuki Fujii
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N Level System with RWA and Analytical Solutions Revisited
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2003
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Kazuyuki Fujii
Kyoko Higashida
Ryosuke Kato
Yukako Wada
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Quantum Optical Construction of Generalized Pauli and Walsh-Hadamard Matrices in Three Level Systems
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2003
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Kazuyuki Fujii
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A Modern Introduction to Cardano and Ferrari Formulas in the Algebraic Equations
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2003
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Kazuyuki Fujii
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Cavity QED and Quantum Computation in the Strong Coupling Regime
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2003
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Kazuyuki Fujii
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Note on Exchange Gate on the Qudit Space
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2002
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Kazuyuki Fujii
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FROM GEOMETRY TO QUANTUM COMPUTATION
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2002
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Kazuyuki Fujii
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Matrix Elements of Generalized Coherent Operators
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2002
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Kazuyuki Fujii
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Coherent States and Some Topics in Quantum Information Theory : Review
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2002
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Kazuyuki Fujii
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N-Level System Interacting with Single Radiation Mode and Multi Cat States of Schrodinger in the Strong Coupling Regime
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2002
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Kazuyuki Fujii
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Introduction to Grassmann manifolds and quantum computation
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2002
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Kazuyuki Fujii
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Matrix Elements of Generalized Coherent Operators
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2002
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Kazuyuki Fujii
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Mathematical Structure of Rabi Oscillations in the Strong Coupling Regime
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2002
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Kazuyuki Fujii
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PDF
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Mathematical foundations of holonomic quantum computer
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2001
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Kazuyuki Fujii
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PDF
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BASIC PROPERTIES OF COHERENT AND GENERALIZED COHERENT OPERATORS REVISITED
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2001
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Kazuyuki Fujii
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Geometry of Coherent States : Some Examples of Calculations of Chern-Characters
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2001
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Kazuyuki Fujii
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Introduction to Coherent States and Quantum Information Theory
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2001
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Kazuyuki Fujii
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Generalized Bell States and Quantum Teleportation
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2001
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Kazuyuki Fujii
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Geometry of Generalized Coherent States : Some Calculations of Chern Characters
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2001
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Kazuyuki Fujii
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A Relation between Coherent States and Generalized Bell States
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2001
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Kazuyuki Fujii
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A Lecture on Quantum Logic Gates
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2001
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Kazuyuki Fujii
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Introduction to Grassmann Manifolds and Quantum Computation
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2001
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Kazuyuki Fujii
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Mathematical Foundations of Holonomic Quantum Computer II
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2001
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Kazuyuki Fujii
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Note on coherent states and adiabatic connections, curvatures
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2000
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Kazuyuki Fujii
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PDF
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Renormalization-Group Method for Reduction of Evolution Equations; Invariant Manifolds and Envelopes
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2000
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Shin-Ichiro Ei
Kazuyuki Fujii
Teiji Kunihiro
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More on Optical Holonomic Quantum Computer
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2000
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Kazuyuki Fujii
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Note on Extended Coherent Operators and Some Basic Properties
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2000
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Kazuyuki Fujii
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SUBMODELS OF NONLINEAR GRASSMANN SIGMA MODELS IN ANY DIMENSION AND CONSERVED CURRENTS, EXACT SOLUTIONS
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1999
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Kazuyuki Fujii
Yasushi Homma
Tatsuo Suzuki
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A Universal Disentangling Formula for Coherent States of Perelomov's Type
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1999
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Kazuyuki Fujii
Tatsuo Suzuki
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Nonlinear Grassmann sigma models in any dimension and an infinite number of conserved currents
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1998
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Kazuyuki Fujii
Yasushi Homma
Tatsuo Suzuki
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None
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1998
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Kazuyuki Fujii
Tatsuo Suzuki
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Some Useful Formulas in Nonlinear Sigma Models in (1+2)-Dimensions
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1998
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Kazuyuki Fujii
Tatsuo Suzuki
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Nonlinear Sigma Models in (1+2)-Dimensions and An Infinite Number of Conserved Currents
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1998
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Kazuyuki Fujii
Tatsuo Suzuki
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Extension of the BarutâGirardello coherent state and path integral
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1997
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Kazuyuki Fujii
Kunio Funahashi
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Multiperiodic coherent states and the WentzelâKramersâBrillouin exactness. II. Noncompact case and classical theories revisited
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1997
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Kazuyuki Fujii
Kunio Funahashi
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String Solitons in M Theory Fivebrane : A possibility of higher order U(1) bundles
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1997
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Kazuyuki Fujii
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PDF
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Multi-periodic coherent states and the WKB exactness
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1996
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Kazuyuki Fujii
Kunio Funahashi
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PDF
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Coherent states over Grassmann manifolds and the WKB exactness in path integral
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1996
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Kazuyuki Fujii
TarĆ Kashiwa
Seiji Sakoda
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Exactness in the WentzelâKramersâBrillouin approximation for some homogeneous spaces
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1995
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Kunio Funahashi
TarĆ Kashiwa
Seiji Sakoda
Kazuyuki Fujii
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Coherent states, path integral, and semiclassical approximation
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1995
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Kunio Funahashi
TarĆ Kashiwa
Seiji Sakoda
Kazuyuki Fujii
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Solutions of <i>A</i>â Toda equations based on noncompact group SU(1,1) and infinite-dimensional Grassmann manifolds
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1995
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Kazuyuki Fujii
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Ferretti-Rajeev term and homotopy theory
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1994
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Kazuyuki Fujii
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Nonlinear Grassmann?-models, Toda equations, and self-dual Einstein equations: supplements to previous papers
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1993
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Kazuyuki Fujii
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A relation between instantons of grassmann ?-models and Toda equations: II
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1992
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Kazuyuki Fujii
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PDF
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Universal Schwinger cocycles of current algebras in (D+1)-dimensions: Geometry and physics
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1990
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Kazuyuki Fujii
Masaru Tanaka
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Algebraic Analogue of Yang-Mills-Higgs Theory
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1989
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Masaru Tanaka
Kazuyuki Fujii
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On the dibaryon ansatz in nonlinear sigma models: Review, developments and problems
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1988
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Kazuyuki Fujii
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A classical solution of the nonlinear pure spinor models with higher derivatives
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1988
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Kazuyuki Fujii
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Extended skyrme models in even dimensions and higher-dimensional solitons II: Wess-Zumino terms in two and higher dimensions
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1988
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Kazuyuki Fujii
Hiroto So
Misako Suwa
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Extended Skyrme models in even dimensions and higher-dimensional solitons
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1987
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Hiroshi Date
Kazuyuki Fujii
Hiroto So
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Classical solutions of higher-dimensional nonlinear sigma models on spheres
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1985
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Kazuyuki Fujii
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A classical solution of the non-linear complex Grassmann ?-model with higher derivatives
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1985
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Kazuyuki Fujii
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A REPRESENTATION OF COMPLEX K-GROUPS BY MEANS OF A BANACH ALGEBRA
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1978
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Kazuyuki Fujii
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