期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 272, 期 -, 页码 138-139出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2003.11.050
关键词
Heisenberg model; quantum phase transition; resonating valence bond states; Monte Carlo simulations
Gutzwiller projected BCS states are a physically transparent representation of a resonating valence bond (RVB) spin liquid. Here we show that this class of wave functions provides a very accurate ansatz of the non-magnetic phase of the J(1) - J(2) Heisenberg model. This wave function is proposed to represent the generic spin-half RVB ground state in spin liquids. (C) 2003 Elsevier B.V. All rights reserved.
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