Publication: Self-tuning inflation
Дата
2022
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Аннотация
We develop an inflationary model without small parameters on the basis of multidimensional f(R) gravity with a minimally coupled scalar field. The model is described by two stages of space expansion. The first one begins at energy scales about the D-dimensional Planck mass and ends with the de Sitter metric of our space and the maximally symmetric extra dimensions. In the following, the quantum fluctuations produce a wide set of inhomogeneous extra metrics in causally disconnected regions quickly generated in the de Sitter space. We find a specific extra space metric that leads to the effective Starobinsky model that fits the observational data. © 2022, The Author(s).
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Petriakova, P. Self-tuning inflation / Petriakova, P., Rubin, S.G. // European Physical Journal C. - 2022. - 82. - № 11. - 10.1140/epjc/s10052-022-10983-w
URI
https://www.doi.org/10.1140/epjc/s10052-022-10983-w
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https://openrepository.mephi.ru/handle/123456789/27639
https://www.scopus.com/record/display.uri?eid=2-s2.0-85142267048&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000885313500002
https://openrepository.mephi.ru/handle/123456789/27639