Nonlinear Transport by Bethe Bound States.
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DOI: 10.1103/physrevlett.129.096602
Abstract: We consider nonlinear ballistic spin transport in the XXZ spin chain and derive an analytical result for the nonlinear Drude weight D^{(3)} at infinite temperatures. In contrast to the linear Drude weight D^{(1)}, we find… read more here.
Keywords: bound states; bethe bound; transport bethe; spin ... See more keywords