Effect of impurity pinning on conduction and specific heat in the Luttinger liquid

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dc.creatorArtemenko, S. N.
dc.creatorRemizov, S. V.
dc.creatorShapiro, D. S.
dc.creatorVakhitov, R. R.
dc.date2008-11-24
dc.date.accessioned2026-07-07T10:20:41Z
dc.date.available2026-07-07T10:20:41Z
dc.descriptionWe study theoretically two effects related to impurity depinning that are common for 1D Luttinger liquid (LL) and linear-chain CDW conductors. First, we consider the electron transport through a single impurity in a 1D conducting channel and study a new regime of conduction related to LL sliding at voltage above a threshold one. The DC current in this regime is accompanied by oscillations with frequency $f =I/e$. This resembles the CDW depinning in linear-chain conductors, the Josephson effect, and the Coulomb blockade. Second, we found that strong pinning of the LL by impurities leads to a magnetic field dependence of the low-temperature specific heat similar to that observed experimentally in CDW compounds. We interpret this in favor of possibility of formation of the LL in linear-chain compounds.
dc.description6 pages, paper presented at the ECRYS-2008 conference (Aug. 2008), accepted for publication in Physica B: Physics of Condensed Matter
dc.identifierhttps://arxiv.org/abs/0811.3884
dc.identifierhttp://arxiv.org/abs/0811.3884
dc.identifierdoi:10.1016/j.physb.2008.11.091
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174931
dc.subjectStrongly Correlated Electrons
dc.titleEffect of impurity pinning on conduction and specific heat in the Luttinger liquid
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