E-models of inflation and primordial black holes
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 where slow-roll conditions are violated, thus leading to large scalar perturbations collapsing to PBHs...
| Published in: | Frontiers in physics Vol. 10. P. 5333 (1-7) |
|---|---|
| Main Author: | |
| Other Authors: | , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000997702 Перейти в каталог НБ ТГУ |
| LEADER | 02315nab a2200361 c 4500 | ||
|---|---|---|---|
| 001 | koha000997702 | ||
| 005 | 20230320020543.0 | ||
| 007 | cr | | ||
| 008 | 230307|2022 sz s a eng d | ||
| 024 | 7 | |a 10.3389/fphy.2022.1005333 |2 doi | |
| 035 | |a koha000997702 | ||
| 040 | |a RU-ToGU |b rus |c RU-ToGU | ||
| 100 | 1 | |a Frolovsky, Daniel |9 813995 | |
| 245 | 1 | 0 | |a E-models of inflation and primordial black holes |c D. Frolovsky, S. V. Ketov, S. K. Saburov |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 38 назв. | ||
| 520 | 3 | |a 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 where slow-roll conditions are violated, thus leading to large scalar perturbations collapsing to PBHs later. An ultra-slow roll (short) phase exists between two (longer) phases of slow-roll inflation. We numerically investigate the phases of inflation, derive the power spectrum of scalar perturbations and calculate the PBHs masses. For certain values of the parameters, the asteroid-size PBHs can be formed with the masses of 10 17 ÷ 1019 g, beyond the Hawking evaporation limit and in agreement with current Cosmic Microwave Background observations. Those PBHs are a candidate for (part of) dark matter in the present Universe, while the gravitational waves induced by the PBHs formation may be detectable by the future space-based gravitational interferometers. | |
| 653 | |a космологическая инфляция | ||
| 653 | |a черные дыры | ||
| 653 | |a космический микроволновый фон | ||
| 653 | |a темная материя | ||
| 653 | |a космология | ||
| 655 | 4 | |a статьи в журналах |9 879358 | |
| 700 | 1 | |a Ketov, Sergei V. |9 876308 | |
| 700 | 1 | |a Saburov, Sultan K. |9 876309 | |
| 773 | 0 | |t Frontiers in physics |d 2022 |g Vol. 10. P. 5333 (1-7) |x 2296-424X | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000997702 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=997702 | ||
| 908 | |a статья | ||
| 039 | |||
| 999 | |c 997702 |d 997702 | ||