Non-Hermitian linear-response theory for spin diffusion in quantum systems
Leonardo Lima
Abstract:Spin transport theory of non-Hermitian quantum systems, where the non-Hermiticity led to a series of exotic phenomena when the system experiences dissipation to an environment is proposed. Thegoal is a better understanding of the spin diffusion in the one-dimensional non-Hermitian XXZ model which allows the transport coefficients be computed analytically. Moreover, we analyze the electric transport of the one-dimensional non-Hermitian Hubbard model which is a very important model of electrons strongly correlat… Show more
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