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

1999/03/09 by Mike Guidry, Guidry, Mike, Lian-Ao Wu +5
Physics and Astronomy · #FOS: Physical sciences #Nuclear Theory (nucl-th) #Strongly Correlated Electrons (cond-mat.str-el) #Superconductivity (cond-mat.supr-con) #cond-mat.str-el #cond-mat.supr-con #nucl-th

paper · pdf · doi:10.48550/arxiv.cond-mat/9903150

4 pages, 2 figures, submitted to Phys. Rev. Lett

arxiv created 1999/08/11 · arxiv updated 2009/11/30

Abstract

We present an SU(4) model of high-Tc 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-Tc superconductivity and permit a clear understanding of the role played by the SO(5) symmetry.

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