Transport in disordered interacting systems: numerical results for one-dimensional spinless electrons

Michael Schreiber, Frank Epperlein and Thomas Vojta

Physica A: Statistical Mechanics and its Applications, 1999, vol. 266, issue 1, 443-449

Abstract: The combined influence of disorder and interactions on the transport properties of electrons in one dimension is investigated. The numerical simulations are carried out by means of the Hartree–Fock-based diagonalization, a very efficient method to determine the low-energy properties of a disordered many-particle system. We find that the conductance of a strongly localized system can become considerably enhanced by the interactions. The enhancement for long-range interactions is significantly larger than for short-range interactions. In contrast, the conductance of weakly localized systems becomes suppressed by the interactions.

Keywords: Interacting systems; Conductance; Simulation; Localization properties (search for similar items in EconPapers)
Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:266:y:1999:i:1:p:443-449

DOI: 10.1016/S0378-4371(98)00628-1

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