Электронная библиотека (репозиторий) Томского государственного университета
Ketov, Sergei V.

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Add   E-models of inflation and primordial black holes
Authors: Frolovsky, Daniel | Ketov, Sergei V. | Saburov, Sultan K.
Source: Frontiers in physics. 2022. Vol. 10. P. 5333 (1-7)
Type: статьи в журналах
Date: 2022
Description: We propose and study the new (generalized) E-type α-attractor models of inflation, in order to include formation of primordial black holes (PBHs). The inflaton potential has a near-inflection point wh ... More
Add   Formation of primordial black holes after Starobinsky inflation
Authors: Frolovsky, Daniel | Ketov, Sergei V. | Saburov, Sultan K.
Source: Modern physics letters A. 2022. Vol. 37, № 21. P. 2250135-1-2250135-9
Type: статьи в журналах
Date: 2022
Description: In this paper, we adapted the Appleby–Battye–Starobinsky model of F(R) gravity towards describing double cosmological inflation and formation of primordial black holes with masses up to 1019 g in the ... More
Add   Starobinsky-Bel-Robinson gravity
Authors: Ketov, Sergei V.
Source: Universe. 2022. Vol. 8, № 7. P. 351 (1-6)
Type: статьи в журналах
Date: 2022
Description: A novel string-inspired gravitational theory in four spacetime dimensions is proposed as a sum of the modified (R+alpha R-2) gravity motivated by the Starobinsky inflation and the leading Bel-Robinson ... More
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