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A bosonic RVB description of doped antiferromagnet | | Z. Y. Weng
; D. N. Sheng
; C. S. Ting
; | | Date: |
24 Oct 1997 | | Subject: | Strongly Correlated Electrons; Superconductivity | cond-mat.str-el cond-mat.supr-con | | Abstract: | 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. | | Source: | arXiv, cond-mat/9710271 | | Services: | Forum | Review | PDF | Favorites | |
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