Proposed realization of the Dicke-model quantum phase transition in an optical cavity QED system

F. Dimer*, B. Estienne, A. S. Parkins, H. J. Carmichael

*Corresponding author for this work

Research output: Contribution to journalArticle

320 Citations (Scopus)

Abstract

The Dicke model describing an ensemble of two-state atoms interacting with a single quantized mode of the electromagnetic field (with omission of the A 2 term) exhibits a zero-temperature phase transition at a critical value of the dipole coupling strength. We propose a scheme based on multilevel atoms and cavity-mediated Raman transitions to realize an effective Dicke model operating in the phase transition regime. Optical light from the cavity carries signatures of the critical behavior, which is analyzed for the thermodynamic limit where the number of atoms is very large.

Original languageEnglish
Article number013804
Pages (from-to)1-14
Number of pages14
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume75
Issue number1
DOIs
Publication statusPublished - 2007
Externally publishedYes

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