2010; Physical and Mathematical Sciences, 44(1 (221): 47–53
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VACUUM FLUCTUATIONS IN COSMOLOGICAL MODELS WITH COMPACTIFIED DIMENSIONS

Aram Mkhitaryan*

Received: 2025-02-27 · Published: 2010-01-26

© 2010 The Author(s) and the original publisher.

CC BY 4.0 This work is licensed under a Creative Commons Attribution 4.0 International License.
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Original title
VACUUM FLUCTUATIONS IN COSMOLOGICAL MODELS WITH COMPACTIFIED DIMENSIONS
Author
Aram Mkhitaryan
Published
2010-01-26
Licence
Creative Commons Attribution 4.0 International

Abstract

We study quantum effects of scalar fields in cosmological models of Friedman–Robertson–Walker with a power-low scale factor and spatial topology R2time(Sl)q. Recurrent formulae are obtained for positive-frequency Wightman function, vacuum expectation values of the field squared and energy density.
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