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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2019, Volume 109, Issue 1, Pages 65–71
DOI: https://doi.org/10.1134/S0370274X19010132 (Mi jetpl5794) 		 
This article is cited in 7 scientific papers (total in 7 papers)

CONDENSED MATTER

Third order anharmonic effects in many-body nuclear quantum theory

S. P. Kamerdzhiev, M. I. Shitov

National Research Center Kurchatov Institute, Moscow, Russia
Full-text PDF (349 kB) Citations (7)
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DOI: https://doi.org/10.1134/S0370274X19010132
Abstract: The quantum theory of third order anharmonic effects in the photon production amplitude developed by V.A. Khodel has been generalized for nuclei with pairing and for a more accurate description of low-energy collective phonons. An expression for the transition amplitude between two- and one-phonon states has been obtained. This expression has been compared to the solution of a similar problem considered within the quasiparticle-phonon model. It has been shown that this approach describes a number of new effects, including three- and four-quasiparticle correlations in the ground state (backward-going graphs).
Funding agency Grant number
Russian Science Foundation 16-12-10155
Received: 25.10.2018
Revised: 14.11.2018
Accepted: 15.11.2018
English version:
Journal of Experimental and Theoretical Physics Letters, 2019, Volume 109, Issue 1, Pages 69–75
DOI: https://doi.org/10.1134/S0021364019010090
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. P. Kamerdzhiev, M. I. Shitov, “Third order anharmonic effects in many-body nuclear quantum theory”, Pis'ma v Zh. Èksper. Teoret. Fiz., 109:1 (2019), 65–71; JETP Letters, 109:1 (2019), 69–75
Citation in format AMSBIB
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    • This publication is cited in the following 7 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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