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SO(5) Superconductors in a Zeeman Magnetic Field | Jiang-Ping Hu
; Shou-Cheng Zhang
; | Date: |
14 Dec 1999 | Subject: | Superconductivity; Strongly Correlated Electrons | cond-mat.supr-con cond-mat.str-el | Abstract: | The generic symmetry of a system under a uniform Zeeman magnetic field is U(1) x U(1). However, we show that SO(5) models in the presence of a finite chemical potential and a finite Zeeman magnetic field can have a exact SU(2) x U(1) symmetry. This principle can be used to test SO(5) symmetry at any doping level. | Source: | arXiv, cond-mat/9912261 | Services: | Forum | Review | PDF | Favorites |
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