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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Physics
, 2025, Issue 1, pp. 1–10
ISSN Online: 0000-0000
DOI:
10.xxxx/example-doi