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Quantum<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>s</mml:mi><mml:mo>=</mml:mo><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:mrow></mml:math>antiferromagnets on Archimedean lattices: The route from semiclassical magnetic order to nonmagnetic quantum states
We investigate the ground states of $s=1/2$ Heisenberg antiferromagnets on the 11 two-dimensional (2D) Archimedean lattices by using the coupled-cluster method. Magnetic interactions and quantum fluctuations play against each other subtly in 2D quantum magnets and the magnetic ordering is thus sensitive to the features of lattice topology. Archimedean lattices …