On a class of integrable interacting electronic systems with off-diagonal disorder

Details On a class of integrable interacting electronic systems with off-diagonal disorder On a class of integrable interacting electronic systems with off-diagonal disorder

1995-03-16

arxiv.org/abs/cond-mat/9503088v1

Physics

Condensed Matter

8 pages, RevteX

Scientific paper

We report a class of {\it integrable} one-dimensional interacting electronic sy$ with {\it off-diagonal disorder}. For these systems, the disorder can be ``gauged away,''and the spectrum can be mapped completely onto the spectrum of the ordered problem, which can be solved by Bethe ansatz or by bosonization. We study the magnetic properties of the persistent currents in mesoscopic rings in the case in which the ordered system is a Luttinger liquid. The system can be paramagnetic or diamagnetic, depending on the amount of the disorder and the number of fermions in the system.

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