Resistivity of inhomogeneous quantum wires

Details Resistivity of inhomogeneous quantum wires Resistivity of inhomogeneous quantum wires

2007-10-24

arxiv.org/abs/0710.4585v1

Phys. Rev. Lett. 100, 066407 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.100.066407

We study the effect of electron-electron interactions on the transport in an inhomogeneous quantum wire. We show that contrary to the well-known Luttinger liquid result, non-uniform interactions contribute substantially to the resistance of the wire. In the regime of weakly interacting electrons and moderately low temperatures we find a linear in T resistivity induced by the interactions. We then use the bosonization technique to generalize this result to the case of arbitrarily strong interactions.

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