Quantum Fisher information as a signature of the superradiant quantum phase transition

The single-mode Dicke model is well known to undergo a quantum phase transition from the so-called normal phase to the superradiant phase (hereinafter called the ‘superradiant quantum phase transition’). Normally, quantum phase transitions can be identified by the critical behavior of quantities suc...

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Bibliographic Details
Main Authors: Teng-Long Wang, Ling-Na Wu, Wen Yang, Guang-Ri Jin, Neill Lambert, Franco Nori
Format: Article
Language:English
Published: IOP Publishing 2014-01-01
Series:New Journal of Physics
Subjects:
Online Access:https://doi.org/10.1088/1367-2630/16/6/063039