Phase coherence of RVB wave function |
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| Authors: | P Lederer Y Takahashi |
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| Institution: | (1) Institute for Solid State Physics, The University of Tokyo, Roppongi, Minato-ku, 106 Tokyo, Japan;(2) Present address: Physique des Solides, Université Paris Sud, Bât. 510, F-91405 Orsay, France |
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| Abstract: | We establish the phase coherence of a variational resonating valence bond (RVB) wave function in the case of nearest neighbor singlets on a square lattice in the fermion representation. The result applies both in the half filled band case and in the doped case. |
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