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

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

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Superconductivity, Strongly Correlated Electrons, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/29123

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9903150
 http://arxiv.org/abs/cond-mat/9903150

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arXiv