Integrable supersymmetric chain without particle conservation

Bernard Nienhuis; Gyorgy Z. Feher; Jan de Gier; Magdalena Rusaczonek

Integrable supersymmetric chain without particle conservation

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arxiv 1510.02520 v2 pith:T3U4FXD4 submitted 2015-10-08 cond-mat.quant-gas cond-mat.str-elhep-thmath-phmath.MP

Integrable supersymmetric chain without particle conservation

Jan de Gier , Gyorgy Z. Feher , Bernard Nienhuis , Magdalena Rusaczonek This is my paper

classification cond-mat.quant-gas cond-mat.str-elhep-thmath-phmath.MP

keywords chainconservationdegeneracyintegrablesupersymmetriccoopercreatedisplays

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We introduce a new integrable supersymmetric lattice chain which violates fermion conservation and exhibits fermion-hole symmetry. The model displays exponential degeneracy in every eigenstate including the groundstate. This degeneracy is expressed in the possibility to create any number of zero modes reminiscent of Cooper pairs.

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