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  Comparative study of loop contributions in AdS and dS

Akhmedov, E. T., & Sadofyev, A. V. (2012). Comparative study of loop contributions in AdS and dS. Physics Letters B, 712, 138-142. doi:10.1016/j.physletb.2012.04.061.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-2EBF-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-2EC1-C
Genre: Journal Article

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1201.3471 (Preprint), 160KB
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 Creators:
Akhmedov, E. T.1, Author              
Sadofyev, A. V., 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: The generic feature of non-conformal fields in Poincare patch of de Sitter space is the presence of large IR loop corrections even for massive fields. Moreover, in global de Sitter there are loop IR divergences for the massive fields. Naive analytic continuation from de Sitter to Anti-de-Sitter might lead one to conclude that something similar should happen in the latter space as well. However, we show that there are no large IR effects in the one-loop two-point functions in the Poincare patch of Anti-de-Sitter space even for the zero mass minimally coupled scalar fields. As well there are no IR divergences in global Anti-de-Sitter space even for the zero mass.

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 Dates: 2012-01-172012
 Publication Status: Published in print
 Pages: 12 pages
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1201.3471
URI: http://arxiv.org/abs/1201.3471
DOI: 10.1016/j.physletb.2012.04.061
 Degree: -

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Title: Physics Letters B
Source Genre: Journal
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Publ. Info: North-Holland
Pages: - Volume / Issue: 712 Sequence Number: - Start / End Page: 138 - 142 Identifier: ISSN: 0370-2693
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925524777