Sub-Planckian Scale and Limits for f(R) Models
Keyword(s):
We study the universe evolution starting from the sub-Planckian scale to present times. The requirement for an exponential expansion of the space with the observed metric as a final stage leads to significant restrictions on the parameter values of a function f(R). An initial metric of the Universe is supposed to be maximally symmetric with the positive curvature.
2021 ◽
2018 ◽
Vol 15
(11)
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pp. 1850188
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Keyword(s):
2020 ◽
Vol 497
(2)
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pp. 1590-1602
1986 ◽
Vol 119
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pp. 509-510
2020 ◽
Vol 35
(02n03)
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pp. 2040042
Keyword(s):