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A decimation method for studying transport properties of disordered systems

Leadbeater, M and Lambert, C J (1998) A decimation method for studying transport properties of disordered systems. Annalen der physik, 7 (5-6). pp. 498-502. ISSN 0003-3804

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Abstract

We present a numerical decimation method for the study of transport properties of disordered tight-binding systems. We demonstrate this method by considering two situations: 1) the problem of two interacting particles (TIP) in a quasi-one dimensional random potential and 2) the conductance of disordered normal - superconducting structures. For case 1) we compute the two particle localisation length lambda(2) presenting results for its dependence on disorder, interaction strength and system width. For case 2) we illustrate the method by presenting results for the sub-gap conductance of a normal wire connected to one normal and one superconducting reservoir and the case of a normal region in contact with two superconductors.

Item Type: Article
Journal or Publication Title: Annalen der physik
Uncontrolled Keywords: Interaction ; Localization ; Simulation ; Superconductivity ; Mesoscopic
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 58166
Deposited By: ep_importer_pure
Deposited On: 03 Sep 2012 14:50
Refereed?: Yes
Published?: Published
Last Modified: 03 Sep 2012 14:50
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/58166

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