Non-equilibrium Luttinger liquid: Zero-bias anomaly and dephasing

Details Non-equilibrium Luttinger liquid: Zero-bias anomaly and dephasing Non-equilibrium Luttinger liquid: Zero-bias anomaly and dephasing

2008-04-27

arxiv.org/abs/0804.4294v1

Phys. Rev. Lett. 101, 126802 (2008)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.101.126802

A one-dimensional system of interacting electrons out of equilibrium is studied in the framework of the Luttinger liquid model. We analyze several setups and develop a theory of tunneling into such systems. A remarkable property of the problem is the absence of relaxation in energy distribution functions of left- and right-movers, yet the presence of the finite dephasing rate due to electron-electron scattering, which smears zero-bias-anomaly singularities in the tunneling density of states.

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