An SU(4) Approach of High-Temperature Superconductivity and Antiferromagnetism

Cheng-Li Wu (Chung-Yuan Christian University); Lian-Ao Wu (Jilin University); Mike Guidry (University of Tennessee); Yang Sun (University of Tennessee)

arxiv: cond-mat/9903150 · v2 · submitted 1999-03-09 · ❄️ cond-mat.supr-con · cond-mat.str-el· nucl-th

An SU(4) Approach of High-Temperature Superconductivity and Antiferromagnetism

Mike Guidry (University of Tennessee) , Lian-Ao Wu (Jilin University) , Yang Sun (University of Tennessee) , Cheng-Li Wu (Chung-Yuan Christian University) This is my paper

classification ❄️ cond-mat.supr-con cond-mat.str-elnucl-th

keywords modelsuperconductivityantiferromagnetismassociateddynamicalhigh-symmetryadditional

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We present an SU(4) model of high-$T_c$ superconductivity. One dynamical symmetry of this model corresponds to the previously proposed SO(5) model for unification of superconductivity and antiferromagnetism, but there are two additional dynamical symmetries: SO(4), associated with antiferromagnetic order and SU(2), associated with a D-wave pairing condensate. These provide a 3-phase microscopic model of high-$T_c$ superconductivity and permit a clear understanding of the role played by the SO(5) symmetry.

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An SU(4) Approach of High-Temperature Superconductivity and Antiferromagnetism

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