Dicke phase transition with multiple superradiant states in quantum chaotic resonators
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We experimentally investigate the Dicke phase transition in chaotic optical resonators realized with two-dimensional photonics crystals. This setup circumvents the constraints of the system originally investigated by Dicke and allows a detailed study of the various properties of the superradiant transition. Our experimental results, analytical prediction, and numerical modeling based on random-matrix theory demonstrate that the probability density P(Gamma) of the resonance widths provides a new criterion to test the occurrence of the Dicke transition.
Liu , C , Di Falco , A & Fratalocchi , A 2014 , ' Dicke phase transition with multiple superradiant states in quantum chaotic resonators ' Physical Review X , vol 4 , no. 2 , 021048 . DOI: 10.1103/PhysRevX.4.021048
Physical Review X
Copyright, 2014, the authors. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License (http://creativecommons.org/licenses/by/3.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
A. F. acknowledges funding from KAUST (Grant No. CRG-1-2012-FRA-005). A. D. F. acknowledges support from the EPSRC (Fellowships No. EP/I004602/1 and No. EP/J004200/1).
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