Finite temperature spin diffusion in the Hubbard model in the strong coupling limit-Reference-Cited by-同舟云学术

Finite temperature spin diffusion in the Hubbard model in the strong coupling limit

Published:2023-08-30 Issue:2 Volume:15 Page:
ISSN:2542-4653
Container-title:SciPost Physics
language:
Short-container-title:SciPost Phys.

Author:

Gamayun Oleksandr¹²,Hutsalyuk Arthur³,Pozsgay Balázs³,Zvonarev Mikhail⁴

Affiliation:

1. London Institute for Mathematical Sciences

2. University of Warsaw

3. Eötvös Loránd University

4. University of Paris-Saclay

Abstract

We investigate finite temperature spin transport in one spatial dimension by considering the spin-spin correlation function of the Hubbard model in the limiting case of infinitely strong repulsion. We find that in the absence of a magnetic field the transport is diffusive, and derive the spin diffusion constant. Our approach is based on asymptotic analysis of a Fredholm determinant representation. The obtained results are in agreement with Generalized Hydrodynamics approach.

Funder

Narodowa Agencja Wymiany Akademickiej

Publisher

Stichting SciPost

Subject

General Physics and Astronomy

Link

https://scipost.org/10.21468/SciPostPhys.15.2.073/pdf

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