Equation-of-motion method for full counting statistics: Steady-state superradiance

Malte Vogl, Gernot Schaller, Eckehard Schöll, and Tobias Brandes
Phys. Rev. A 86, 033820 – Published 14 September 2012

Abstract

For the multimode Dicke model in a transport setting that exhibits collective boson transmissions, we construct the equation of motion for the cumulant-generating function. Approximating the exact system of equations at the level of the cumulant-generating function and system operators at lowest order allows us to recover master equation results of the full counting statistics for certain parameter regimes at very low computational cost. The thermodynamic limit, which is not accessible with the master equation approach, can be derived analytically for different approximations.

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  • Received 18 June 2012

DOI:https://doi.org/10.1103/PhysRevA.86.033820

©2012 American Physical Society

Authors & Affiliations

Malte Vogl*, Gernot Schaller, Eckehard Schöll, and Tobias Brandes

  • Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstrasse 36, 10623 Berlin, Germany

  • *malte.vogl@tu-berlin.de

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Vol. 86, Iss. 3 — September 2012

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