Persistent currents in interacting lattice models

Michael Abraham and Richard Berkovits

Physica A: Statistical Mechanics and its Applications, 1993, vol. 200, issue 1, 519-524

Abstract: We present the results of an exact calculation of the averaged persistent current and its root mean square value in interacting disordered 1D rings. While the averaged persistent current exhibits a variety of interesting behaviors depending on the disorder and the strength of electron-electron interactions, the r.m.s. value depends very weakly on the strength of interaction. In general we observe that no dramatical increase of the averaged current or its r.m.s. value as a result of interactions is possible for these systems.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:200:y:1993:i:1:p:519-524

DOI: 10.1016/0378-4371(93)90555-I

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