Unstable particles versus resonances in impurity systems, conductance in quantum wires

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dc.creatorCastro-Alvaredo, O. A.
dc.creatorFring, A.
dc.date2001-12-11
dc.date2002-11-06
dc.date.accessioned2026-07-07T02:43:48Z
dc.date.available2026-07-07T02:43:48Z
dc.descriptionWe compute the DC conductance for a homogeneous sine-Gordon model and an impurity system of Luttinger liquid type by means of the thermodynamic Bethe ansatz and standard potential scattering theory. We demonstrate that unstable particles and resonances in impurity systems lead to a sharp increase of the conductance as a function of the temperature, which is characterized by the Breit-Wigner formula.
dc.description5 pages Latex, 1 figure replaced, version to appear in J. Phys. C
dc.identifierhttps://arxiv.org/abs/cond-mat/0112199
dc.identifierhttp://arxiv.org/abs/cond-mat/0112199
dc.identifierJ.Phys. C14 (2002) L721
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18648
dc.subjectCondensed Matter
dc.subjectHigh Energy Physics - Theory
dc.titleUnstable particles versus resonances in impurity systems, conductance in quantum wires
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