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Disordered driven coupled cavity arrays: Nonequilibrium stochastic mean-field theory

Kulaitis, G; Krüger, F; Nissen, F; Keeling, J; (2013) Disordered driven coupled cavity arrays: Nonequilibrium stochastic mean-field theory. Physical Review A , 87 (1) , Article 013840. 10.1103/PhysRevA.87.013840.

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Abstract

We study the interplay of disorder with pumping and decay in coupled qubit-cavity arrays, the Jaynes-Cummings-Hubbard model. We find that relatively weak disorder can wash out the bistability present in the clean pumped system and that moreover the combination of disorder in on-site energies and decay can lead to effective phase disorder. To explore these questions, we present a nonequilibrium generalization of stochastic mean-field theory, providing a simple tool to address such questions. This technique is developed for rather general forms of light-matter coupling, driving, dissipation, and on-site disorder, making it applicable to a wide range of systems.

Type: Article
Title: Disordered driven coupled cavity arrays: Nonequilibrium stochastic mean-field theory
DOI: 10.1103/PhysRevA.87.013840
Publisher version: http://dx.doi.org/10.1103/PhysRevA.87.013840
Language: English
Additional information: Copyright © 2013 American Physical Society.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1450182
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