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Teoreticheskaya i Matematicheskaya Fizika, 2008, Volume 154, Number 2, Pages 372–384
DOI: https://doi.org/10.4213/tmf6176 (Mi tmf6176) 		 
This article is cited in 8 scientific papers (total in 8 papers)

Theory of superfluidity in a polariton system

Yu. E. Lozovika, A. G. Semenovb

a Institute of Spectroscopy, Russian Academy of Sciences
b P. N. Lebedev Physical Institute, Russian Academy of Sciences
Full-text PDF (451 kB) Citations (8)
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DOI: https://doi.org/10.4213/tmf6176
Abstract: We consider the superfluidity properties of a two-dimensional system of polaritons in an optical cavity. Deriving an expression for the effective low-energy action for thermodynamic phase fluctuations, we simultaneously obtain the expression for an analogue of superfluid density in the system in terms of the current–current correlation function and also find the expression for the current operator. We describe the Bogoliubov approximation for a polariton system and calculate the superfluid density. We discuss the Berezinskii–Kosterlitz–Thouless transition in the system under study.
Keywords: exciton, polariton, superfluidity, functional integration method, Popov approximation.
Received: 30.01.2007
English version:
Theoretical and Mathematical Physics, 2008, Volume 154, Issue 2, Pages 319–329
DOI: https://doi.org/10.1007/s11232-008-0030-y
Bibliographic databases:
Language: Russian
Citation: Yu. E. Lozovik, A. G. Semenov, “Theory of superfluidity in a polariton system”, TMF, 154:2 (2008), 372–384; Theoret. and Math. Phys., 154:2 (2008), 319–329
Citation in format AMSBIB
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    • This publication is cited in the following 8 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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