Full-Counting Statistics for Voltage and Dephasing Probes

S. Pilgram, P. Samuelsson, H. Förster, and M. Büttiker
Phys. Rev. Lett. 97, 066801 – Published 9 August 2006

Abstract

We present a stochastic path integral method to calculate the full-counting statistics of conductors with energy conserving dephasing probes and dissipative voltage probes. The approach is explained for the experimentally important case of a Mach-Zehnder interferometer, but is easily generalized to more complicated setups. For all geometries where dephasing may be modeled by a single one-channel dephasing probe we prove that our method yields the same full-counting statistics as phase averaging of the cumulant generating function.

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  • Received 15 December 2005

DOI:https://doi.org/10.1103/PhysRevLett.97.066801

©2006 American Physical Society

Authors & Affiliations

S. Pilgram1, P. Samuelsson2, H. Förster3, and M. Büttiker3

  • 1Theoretische Physik, ETH Zürich, CH-8093 Zürich, Switzerland
  • 2Division of Solid State Theory, Lund University, Sölvegatan 14 A, S-223 62 Lund, Sweden
  • 3Département de Physique Théorique, Université de Genève, CH-1211 Genève 4, Switzerland

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Issue

Vol. 97, Iss. 6 — 11 August 2006

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