Testing primordial black holes as dark matter in supergravity from gravitational waves; Physics Letters B; Vol. 814
| Parent link: | Physics Letters B Vol. 814.— 2021.— [136069, 5 p.] |
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| Автор: | |
| Співавтор: | |
| Інші автори: | , |
| Резюме: | Title screen We explore the Gravitational Waves (GW) phenomenology of a simple class of supergravity models that can explain and unify inflation and Primordial Black Holes (PBH) as Dark Matter (DM). Our (modified) supergravity models naturally lead to a two-field attractor-type double inflation, whose first stage is driven by Starobinsky scalaron and the second stage is driven by another scalar belonging to a supergravity multiplet. The PBHs formation in our supergravity models is efficient, compatible with all observational constraints, and predicts a stochastic GW background. We compute the PBH-induced GW power spectrum and show that GW signals can be detected within the sensitivity curves of the future space-based GW interferometers such as LISA, DECIGO, TAIJI and TianQin projects, thus showing predictive power of supergravity in GW physics and their compatibility. |
| Мова: | Англійська |
| Опубліковано: |
2021
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| Предмети: | |
| Онлайн доступ: | http://earchive.tpu.ru/handle/11683/132663 https://doi.org/10.1016/j.physletb.2021.136069 |
| Формат: | Електронний ресурс Частина з книги |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664586 |
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| 200 | 1 | |a Testing primordial black holes as dark matter in supergravity from gravitational waves |f E. Aldabergenov, A. Addazi, S. V. Ketov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References.: 27 tit.] | ||
| 330 | |a We explore the Gravitational Waves (GW) phenomenology of a simple class of supergravity models that can explain and unify inflation and Primordial Black Holes (PBH) as Dark Matter (DM). Our (modified) supergravity models naturally lead to a two-field attractor-type double inflation, whose first stage is driven by Starobinsky scalaron and the second stage is driven by another scalar belonging to a supergravity multiplet. The PBHs formation in our supergravity models is efficient, compatible with all observational constraints, and predicts a stochastic GW background. We compute the PBH-induced GW power spectrum and show that GW signals can be detected within the sensitivity curves of the future space-based GW interferometers such as LISA, DECIGO, TAIJI and TianQin projects, thus showing predictive power of supergravity in GW physics and their compatibility. | ||
| 461 | |t Physics Letters B | ||
| 463 | |t Vol. 814 |v [136069, 5 p.] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a черные дыры | |
| 610 | 1 | |a темная материя | |
| 610 | 1 | |a супергравитация | |
| 700 | 1 | |a Aldabergenov |b E. |g Ermek | |
| 701 | 1 | |a Addazi |b A. |g Andrea | |
| 701 | 1 | |a Ketov |b S. V. |c physicist |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1960- |g Sergey Vladimirovich |3 (RuTPU)RU\TPU\pers\36631 |9 19672 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
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| 856 | 4 | |u http://earchive.tpu.ru/handle/11683/132663 |z http://earchive.tpu.ru/handle/11683/132663 | |
| 856 | 4 | |u https://doi.org/10.1016/j.physletb.2021.136069 | |
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