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Teoreticheskaya i Matematicheskaya Fizika, 2006, Volume 147, Number 3, Pages 503–510
DOI: https://doi.org/10.4213/tmf1991 (Mi tmf1991) 		 
This article is cited in 2 scientific papers (total in 2 papers)

Optimal method for truncating a chain of equations for two-time Green's functions

Yu. A. Tserkovnikov

Steklov Mathematical Institute, Russian Academy of Sciences
Full-text PDF (304 kB) Citations (2)
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DOI: https://doi.org/10.4213/tmf1991
Abstract: We use an example of a chain of equations describing a system of Bose particles with pairwise interaction to develop a method for decoupling the chain at its second element. We obtain an approximation of the interacting-modes type, which results in a system of nonlinear equations for one-, two-, and three-particle functions.
Keywords: Green's functions, chains of equations, approximation of interacting modes.
Received: 23.11.2005
English version:
Theoretical and Mathematical Physics, 2006, Volume 147, Issue 3, Pages 868–875
DOI: https://doi.org/10.1007/s11232-006-0082-9
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: Yu. A. Tserkovnikov, “Optimal method for truncating a chain of equations for two-time Green's functions”, TMF, 147:3 (2006), 503–510; Theoret. and Math. Phys., 147:3 (2006), 868–875
Citation in format AMSBIB
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    • This publication is cited in the following 2 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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    References:67
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