Integrability of a t-J model with impurities
Jon Links (University of Queensland, Australia), Angela Foerster, (Instituto de Fisica da UFRGS, Brazil)
TL;DR
This paper introduces an integrable one-dimensional t-J model with impurities, providing an algebraic Bethe ansatz solution and demonstrating the supersymmetry properties of the Bethe states.
Contribution
It presents a novel integrable t-J model with impurities that preserves integrability and offers an algebraic Bethe ansatz solution.
Findings
Model remains integrable with impurities
Bethe states are highest weight states
Supersymmetry algebra gl(2/1) applies
Abstract
A t-J model for correlated electrons with impurities is proposed. The impurities are introduced in such a way that integrability of the model in one dimension is not violated. The algebraic Bethe ansatz solution of the model is also given and it is shown that the Bethe states are highest weight states with respect to the supersymmetry algebra gl(2/1)
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