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 J1−J2 Heisenberg model. This wave function is proposed to represent the generic spin-half RVB ground state in spin liquids.
Projected-BCS wave functions for resonating valence bond spin liquids
PAROLA, ALBERTO;
2004-01-01
Abstract
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 J1−J2 Heisenberg model. This wave function is proposed to represent the generic spin-half RVB ground state in spin liquids.
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