Debye mass in de Sitter space

Abstract We calculate the one-loop contributions to the polarization operator for scalar quantum electrodynamics in different external electromagnetic and gravitational fields. In the case of gravity, de Sitter space and its different patches were considered. It is shown that the Debye mass appears...

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Main Author:	Fedor K. Popov
Format:	Article
Language:	English
Published:	SpringerOpen 2018-06-01
Series:	Journal of High Energy Physics
Subjects:	Field Theories in Higher Dimensions Classical Theories of Gravity SpaceTime Symmetries
Online Access:	http://link.springer.com/article/10.1007/JHEP06(2018)033

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spelling	doaj-38e6d263efd9447299303fd852827c202020-11-25T00:10:06ZengSpringerOpenJournal of High Energy Physics1029-84792018-06-012018611910.1007/JHEP06(2018)033Debye mass in de Sitter spaceFedor K. Popov0Department of Physics, Princeton UniversityAbstract We calculate the one-loop contributions to the polarization operator for scalar quantum electrodynamics in different external electromagnetic and gravitational fields. In the case of gravity, de Sitter space and its different patches were considered. It is shown that the Debye mass appears only in the case of alpha-vacuum in the Expanding Poincare Patch. It can be shown either by direct computations or by using analytical and causal properties of the de Sitter space. Also, the case of constant electric field is considered and the Debye mass is calculated.http://link.springer.com/article/10.1007/JHEP06(2018)033Field Theories in Higher DimensionsClassical Theories of GravitySpaceTime Symmetries
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Fedor K. Popov
spellingShingle	Fedor K. Popov Debye mass in de Sitter space Journal of High Energy Physics Field Theories in Higher Dimensions Classical Theories of Gravity SpaceTime Symmetries
author_facet	Fedor K. Popov
author_sort	Fedor K. Popov
title	Debye mass in de Sitter space
title_short	Debye mass in de Sitter space
title_full	Debye mass in de Sitter space
title_fullStr	Debye mass in de Sitter space
title_full_unstemmed	Debye mass in de Sitter space
title_sort	debye mass in de sitter space
publisher	SpringerOpen
series	Journal of High Energy Physics
issn	1029-8479
publishDate	2018-06-01
description	Abstract We calculate the one-loop contributions to the polarization operator for scalar quantum electrodynamics in different external electromagnetic and gravitational fields. In the case of gravity, de Sitter space and its different patches were considered. It is shown that the Debye mass appears only in the case of alpha-vacuum in the Expanding Poincare Patch. It can be shown either by direct computations or by using analytical and causal properties of the de Sitter space. Also, the case of constant electric field is considered and the Debye mass is calculated.
topic	Field Theories in Higher Dimensions Classical Theories of Gravity SpaceTime Symmetries
url	http://link.springer.com/article/10.1007/JHEP06(2018)033
work_keys_str_mv	AT fedorkpopov debyemassindesitterspace
_version_	1725409368645566464

Debye mass in de Sitter space

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