On a class of integrable interacting electronic systems with off-diagonal disorder
A. H. Castro Neto, D. K. Campbell, Philip Phillips
Abstract
We report a class of integrable one-dimensional interacting electronic sy$ with 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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