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Chin. Phys. B, 2008, Vol. 17(3): 1084-1087    DOI: 10.1088/1674-1056/17/3/055
CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES Prev   Next  

Optically induced phase transition of excitons in coupled quantum dots

Chen Zi-Dong(陈子栋)
Department of Physics, Shaoxing College of Arts and Sciences, Shaoxing 312000, China
Abstract  The weak classical light excitations in many semiconductor quantum dots have been chosen as important solid-state quantum systems for processing quantum information and implementing quantum computing. For strong classical light we predict theoretically a novel phase transition as a function of magnitude of this classical light from the deformed to the normal phases in resonance case, and the essential features of criticality such as the scaling behaviour, critical exponent and universality are also present in this paper.
Keywords:  phase transition      universality      excitation in quantum dot  
Received:  07 May 2007      Revised:  26 September 2007      Accepted manuscript online: 
PACS:  73.21.La (Quantum dots)  
  71.35.Lk (Collective effects (Bose effects, phase space filling, and excitonic phase transitions))  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10704049) and the Natural Science Foundation of Zhejiang Province, China (Grant No Y605037).

Cite this article: 

Chen Zi-Dong(陈子栋) Optically induced phase transition of excitons in coupled quantum dots 2008 Chin. Phys. B 17 1084

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