Signatures of the superfluid-insulator phase transitions in laser-driven dissipative nonlinear cavity arrays

Tomadin, Andrea and Giovannetti, V. and Fazio, R. and Gerace, D. and Carusotto, I. and Tureci, H. E. and Imamoglu, A. (2010) Signatures of the superfluid-insulator phase transitions in laser-driven dissipative nonlinear cavity arrays. Physical review a, 81. ISSN 1050-2947

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Abstract

We analyze the nonequilibrium dynamics of a gas of interacting photons in an array of coupled dissipative nonlinear cavities when driven by a pulsed external coherent field. Using a mean-field approach, we show that the response of the system is strongly sensitive to the underlying (equilibrium) quantum phase transition from a Mott insulator to a superfluid state at commensurate filling. We find that the coherence of the cavity emission after a quantum quench can be used to determine the phase diagram of an optical many-body system even in the presence of dissipation.

Item Type:
Journal Article
Journal or Publication Title:
Physical review a
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
129030
Deposited By:
Deposited On:
19 Nov 2018 11:28
Refereed?:
Yes
Published?:
Published
Last Modified:
25 Sep 2020 04:06