Nonequilibrium plasmons and transport properties of a double--junction quantum wire
arXiv:cond-mat/0503398 · doi:10.1063/1.2400695
Abstract
We study theoretically the current-voltage characteristics, shot noise, and full counting statistics of a quantum wire double barrier structure. We model each wire segment by a spinless Luttinger liquid. Within the sequential tunneling approach, we describe the system's dynamics using a master equation. We show that at finite bias the non-equilibrium distribution of plasmons in the central wire segment leads to increased average current, enhanced shot noise, and full counting statistics corresponding to a super-Poissonian process. These effects are particularly pronounced in the strong interaction regime, while in the non-interacting case we recover results obtained earlier using detailed balance arguments.
arXiv comment22 pages, RevTex 2-column, 11 figures
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