Dynamical steady states in driven quantum systems

Stace T.M., Doherty A.C. and Reilly D.J. (2013) Dynamical steady states in driven quantum systems. Physical Review Letters, 111 18: 180602-1-180602-5. doi:10.1103/PhysRevLett.111.180602

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Author Stace T.M.
Doherty A.C.
Reilly D.J.
Title Dynamical steady states in driven quantum systems
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2013-10-30
Year available 2013
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.111.180602
Open Access Status File (Publisher version)
Volume 111
Issue 18
Start page 180602-1
End page 180602-5
Total pages 5
Place of publication College Park, United States
Publisher American Physical Society
Language eng
Subject 3100 Physics and Astronomy
Formatted abstract
We derive dynamical equations for a driven, dissipative quantum system in which the environment-induced relaxation rate is comparable to the Rabi frequency, avoiding assumptions on the frequency dependence of the environmental coupling. When the environmental coupling varies significantly on the scale of the Rabi frequency, secular or rotating wave approximations break down. We avoid these approximations, yielding dynamical steady states which account for the interaction between driven quantum dots and their phonon environment. The theory, which is motivated by recent experimental observations, qualitatively and quantitatively describes the transition from asymmetric unsaturated resonances at weak driving to population inversion at strong driving.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2014 Collection
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Citation counts: TR Web of Science Citation Count  Cited 8 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 8 times in Scopus Article | Citations
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Created: Fri, 29 Nov 2013, 07:26:11 EST by System User on behalf of Engineered Quantum Systems