A bosonic RVB description of doped antiferromagnet

Details A bosonic RVB description of doped antiferromagnet A bosonic RVB description of doped antiferromagnet

1997-10-24

arxiv.org/abs/cond-mat/9710271v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, Revtex, 2 Postscript figures

Scientific paper

We propose a theory for doped antiferromagnet based on a bosonic resonating-valence-bond (RVB) state with incorporating the phase string effect. Both antiferromagnetic (AF) and superconducting phase transitions occur naturally within such a bosonic RVB phase. Two distinct metallic regions -- underdoping and optimum-doping -- are also found to be a logic consequence, whose unique features explain the recent neutron-scattering measurements in cuprates.

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