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Teoreticheskaya i Matematicheskaya Fizika, 2021, Volume 206, Number 2, Pages 269–276
DOI: https://doi.org/10.4213/tmf9924 (Mi tmf9924) 		 
This article is cited in 2 scientific papers (total in 2 papers)

Dynamics of the Friedmann universe with boundary terms added to the action

V. I. Kochkin

St. Petersburg State University, St. Petersburg, Russia
Full-text PDF (369 kB) Citations (2)
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DOI: https://doi.org/10.4213/tmf9924
Abstract: We consider the dynamics of the universe following from the variational principle with boundary terms added to the action. We calculate a scalar function that effectively accounts for the contribution of these boundary terms to the density and pressure of the medium filling the universe. An interesting result of the proposed approach is that a superfast expansion stage arises automatically (without additional conditions). We show the connection between the description of inflationary expansion based on the scalar field and our model.
Keywords: variational principle, cosmological constant, inflationary expansion, scalar field.
Received: 25.04.2020
Revised: 22.09.2020
English version:
Theoretical and Mathematical Physics, 2021, Volume 206, Issue 2, Pages 236–242
DOI: https://doi.org/10.1134/S0040577921020094
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. I. Kochkin, “Dynamics of the Friedmann universe with boundary terms added to the action”, TMF, 206:2 (2021), 269–276; Theoret. and Math. Phys., 206:2 (2021), 236–242
Citation in format AMSBIB
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\by V.~I.~Kochkin
\paper Dynamics of the~Friedmann universe with boundary terms added to the~action
\jour TMF
\yr 2021
\vol 206
\issue 2
\pages 269--276
\mathnet{http://mi.mathnet.ru/tmf9924}
\crossref{https://doi.org/10.4213/tmf9924}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=4224010}
\adsnasa{https://adsabs.harvard.edu/cgi-bin/bib_query?2021TMP...206..236K}
\transl
\jour Theoret. and Math. Phys.
\yr 2021
\vol 206
\issue 2
\pages 236--242
\crossref{https://doi.org/10.1134/S0040577921020094}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000664263200009}
Linking options:
  • https://www.mathnet.ru/eng/tmf9924
  • https://doi.org/10.4213/tmf9924
  • https://www.mathnet.ru/eng/tmf/v206/i2/p269
    • This publication is cited in the following 2 articles:
    1. V. I. Kochkin, “Energy–momentum tensor of a causally disconnected region of the Universe, the cosmological constant, and the inflationary model”, Theoret. and Math. Phys., 221:1 (2024), 1766–1775  mathnet  crossref  crossref  mathscinet  adsnasa
    2. V. I. Kochkin, “Cosmological constant, scalar field, and the coincidence problem”, Theoret. and Math. Phys., 212:3 (2022), 1303–1311  mathnet  crossref  crossref  mathscinet  adsnasa
    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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    Full-text PDF :55
    References:61
    First page:18
     
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