Phononless thermally activated transport through a disordered array of quantum wires

Details Phononless thermally activated transport through a disordered array of quantum wires Phononless thermally activated transport through a disordered array of quantum wires

2005-07-28

arxiv.org/abs/cond-mat/0507687v1

Phys. Rev. B 72, 195302 (2005)

Physics

Condensed Matter

Disordered Systems and Neural Networks

15 pages, 1 figure

Scientific paper

10.1103/PhysRevB.72.195302

Phononless plasmon assisted transport through a long disordered array of finite length quantum wires is investigated analytically. Two temperature regimes, the low- and the high-temperature ones, with qualitatively different temperature dependencies of thermally activated resistance are identified. The characteristics of plasmon assisted and phonon assisted transport mechanisms are compared. Generically strong electron-electron interaction in quantum wires results in a qualitative change of the temperature dependence of thermally activated resistance in comparison to phonon assisted transport. At high temperatures, the thermally activated resistance is determined by the Luttinger liquid interaction parameter of the wires.

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