Fluctuation relations without micro-reversibility for two-terminal conductors

Autor:	Forster, Heidi, Buttiker, Markus
Rok vydání:	2009
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Statistical Mechanics
Zdroj:	AIP Conference Proceedings 1129, 20th International Conference on Noise and Fluctuations, M. Macucci and G. Basso, eds. (Melville, New York, 2009). p. 443
Druh dokumentu:	Working Paper
DOI:	10.1063/1.3140495
Popis:	In linear transport, the fluctuation-dissipation theorem relates equilibrium current correlations to the linear conductance coefficient. Theory and experiment have shown that in small electrical conductors the non-linear I-V-characteristic of two-terminal conductor exhibits terms which are asymmetric in magnetic field and thus micro-reversibility is manifestly broken. We discuss a non-equilibrium fluctuation dissipation theorem which is not based on micro-reversibility. It connects the antisymmetric nonlinear conductance with the third cumulant of equilibrium current fluctuations and a noise term that is proportional to temperature, magnetic field and voltage. Comment: 6 pages, 2 figures, corrected typos
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/0903.1431 Zobrazit plný text záznamu View this record from Arxiv