Persistent currents in interacting lattice models

Michael Abraham, Richard Berkovits

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


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.

Original languageEnglish
Pages (from-to)519-524
Number of pages6
JournalPhysica A: Statistical Mechanics and its Applications
Issue number1-4
StatePublished - 15 Nov 1993

Bibliographical note

Funding Information:
We would like to thank B.L. Altshuler, Y. Avishai, and H.A. Weidenmuller for useful discussions.R B would like to thank the Alon Foundation for financial support.


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