Modified Gravity in Higher Dimensions, Flux Compactification, and Cosmological Inflation; Symmetry; Vol. 11, iss. 12

Modified Gravity in Higher Dimensions, Flux Compactification, and Cosmological Inflation; Symmetry; Vol. 11, iss. 12

Podrobná bibliografie
Parent link:	Symmetry Vol. 11, iss. 12.— 2019.— [1528, 14 p.]
Hlavní autor:	Ketov S. V. Sergey Vladimirovich
Korporativní autor:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Shrnutí:	Title screen We review a possible origin of cosmological inflation from higher (D) spacetime dimensions in the context of modified gravity theory. It is demonstrated that it requires a spontaneous warped compactification of higher (D) spacetime dimensions together with the stabilization of extra (D?4) dimensions by Freund–Rubin mechanism. The relevant tools include an extra gauge (D/2?1) -form field with a non-vanishing flux in compact dimensions and a positive cosmological constant in D dimensions. Those features are illustrated on the specific example in eight spacetime dimensions compactified on a four-sphere with a warped factor and a flux, which leads to a viable Starobinsky-like inflationary model in four (non-compact) spacetime dimensions.
Jazyk:	angličtina
Vydáno:	2019
Témata:	электронный ресурс труды учёных ТПУ extra dimensions modified gravity inflation инфляция модифицированная гравитация размеры
On-line přístup:	http://earchive.tpu.ru/handle/11683/64793 https://doi.org/10.3390/sym11121528
Médium:	Elektronický zdroj Kapitola
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662061

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