Shot Noise and Full Counting Statistics from Non-equilibrium Plasmons in Luttinger-Liquid Junctions
arXiv:cond-mat/0403613 · doi:10.1088/0953-8984/17/25/008
Abstract
We consider a quantum wire double junction system with each wire segment described by a spinless Luttinger model, and study theoretically shot noise in this system in the sequential tunneling regime. We find that the non-equilibrium plasmonic excitations in the central wire segment give rise to qualitatively different behavior compared to the case with equilibrium plasmons. In particular, shot noise is greatly enhanced by them, and exceeds the Poisson limit. We show that the enhancement can be explained by the emergence of several current-carrying processes, and that the effect disappears if the channels effectively collapse to one due to, {\em e.g.}, fast plasmon relaxation processes.
arXiv comment9 pages; IOP Journal style; several changes in the text
References in corpus (13)
- Shot Noise in Mesoscopic Conductors
- Luttinger Liquid Behavior in Carbon Nanotubes
- Observation of the e/3 Fractionally Charged Laughlin Quasiparticles
- Bosonization for Beginners --- Refermionization for Experts
- Detection of Quantum Noise from an Electrically-Driven Two-Level System
- Zero Frequency Current Noise for the Double Tunnel Junction Coulomb Blockade
- Noise of a Quantum-Dot System in the Cotunneling Regime
- Bunching of Fractionally-Charged Quasiparticles Tunneling through High Potential Barriers
- Charge and current fluctuations in a superconducting single electron transistor near a Cooper pair resonance
- Shot noise for resonant Cooper pair tunneling
- Low frequency current noise of the single-electron shuttle
- Shot noise of a quantum dot with non-Fermi liquid correlations
- Non-equilibrium Plasmons in a Quantum Wire Single Electron Transistor