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Showing 2010 · cond-mat.str-elShow all
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cond-mat.str-el2010★ 28 cited
Thermodynamics of a gas of deconfined bosonic spinons in two dimensions
Anders W. Sandvik, Valeri N. Kotov, Oleg P. Sushkov
We consider the quantum phase transition between a Neel antiferromagnet and a valence-bond solid (VBS) in a two-dimensional system of S=1/2 spins. Assuming that the excitations of…
cond-mat.str-el2010★ 22 cited
Phase separation versus supersolid behavior in frustrated antiferromagnets
A. Fabricio Albuquerque, Nicolas Laflorencie, Jean-David Picon +1
We investigate the competition between spin-supersolidity and phase separation in a frustrated spin-half model of weakly coupled dimers. We start by considering systems of hard-cor…