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  Solution of the Dyson-Schwinger equation on de Sitter background in IR limit

Akhmedov, E. T., & Burda, P. (2012). Solution of the Dyson-Schwinger equation on de Sitter background in IR limit. Physical Review D, 86(4): 044031. doi:10.1103/PhysRevD.86.044031.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-3F94-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-3F96-C
Genre: Journal Article

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1202.1202 (Preprint), 206KB
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 Creators:
Akhmedov, E. T.1, Author              
Burda, Ph., Author
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We propose an ansatz which solves the Dyson-Schwinger equation for the real scalar fields in Poincare patch of de Sitter space. In the IR limit the Dyson-Schwinger equation for this ansatz reduces to the kinetic equation, if one considers scalar fields from the principle series. Solving the latter equation we show that under the adiabatic switching on and then off the coupling constant the Bunch-Davies vacuum relaxes to the state with the flat Gibbons-Hawking density of out-Jost harmonics on top of the corresponding de Sitter invariant out--vacuum.

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 Dates: 2012-02-062012-02-092012
 Publication Status: Published in print
 Pages: 18 pages, including 4 pages of Appendix. Minor changes, misprints are corrected
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1202.1202
DOI: 10.1103/PhysRevD.86.044031
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 86 (4) Sequence Number: 044031 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258