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On the SO(5) Effective Field Theory of High T_c Superconductors

C. P. Burgess·C. A. Lutken
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Abstract

We construct the low-energy effective theory for the SO(5) model of high-T_c superconductivity, recently proposed by S.C. Zhang (cond-mat/9610140). This permits us to develop a systematic expansion for low-energy observables in powers of the small symmetry-breaking interactions. The approximate SO(5) symmetry predicts relations amongst these observables, which are model-independent consequences of Zhang's proposed symmetry-breaking pattern.

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C. P. Burgess, C. A. Lutken. 1996-11-10. On the SO(5) Effective Field Theory of High T_c Superconductors. https://arxiv.org/abs/cond-mat/9611070

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