Bosonic Resonating-Valence-Bond Description of a Doped Antiferromagnet | Zendy

Zheng-Yu Weng | Zendy; D. N. Sheng | Zendy; C. S. Ting | Zendy

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Bosonic Resonating-Valence-Bond Description of a Doped Antiferromagnet

Author(s) -

Zheng-Yu Weng,

D. N. Sheng,

C. S. Ting

Publication year - 1998

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.80.5401

Subject(s) - valence bond theory , antiferromagnetism , physics , condensed matter physics , superconductivity , cuprate , valence (chemistry) , neutron scattering , doping , scattering , quantum mechanics , electron , atomic orbital

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

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