Supersymmetry in a BCS—Umklapp Model

Montorsi, Arianna and Rasetti, Mario and Solomon, Allan I. (1987) Supersymmetry in a BCS—Umklapp Model. (Preprint)

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We consider an extension of the BCS model which includes umklapp processes, and give a condition such that this model be supersymmetric within an SU(2|2) algebra. We show that a mean field fermion reduction of the model is diagonalizable provided the same condition is satisfied.

Item Type: Article
Divisions: School of Theoretical Physics > Preprints
Date Deposited: 20 Jun 2018 11:14
Last Modified: 20 Dec 2022 21:14

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