Anomalous Thermal Transport in Quantum Wires

Details Anomalous Thermal Transport in Quantum Wires Anomalous Thermal Transport in Quantum Wires

1997-12-22

arxiv.org/abs/cond-mat/9712269v3

Phys.Rev.Lett. 80, 5611 (1998)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

replaced with published version

Scientific paper

10.1103/PhysRevLett.80.5611

We study thermal transport in a one-dimensional quantum wire, connected to reservoirs. Despite of the absence of electron backscattering, interactions in the wire strongly influence thermal transport. Electrons propagate with unitary transmission through the wire and electric conductance is not affected. Energy, however, is carried by bosonic excitations (plasmons) which suffer from scattering even on scales much larger than the Fermi wavelength. If the electron density varies randomly, plasmons are localized and {\em charge-energy separation} occurs. We also discuss the effect of plasmon-plasmon interaction using Levinson's theory of nonlocal heat transport.

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