Generalized dilaton–axion models of inflation, de Sitter vacua and spontaneous SUSY breaking in supergravity; European Physical Journal C; Vol. 79, iss. 8
| Parent link: | European Physical Journal C Vol. 79, iss. 8.— 2019.— [713, 12 p.] |
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| Autore principale: | |
| Ente Autore: | |
| Altri autori: | , |
| Riassunto: | Title screen We propose the unified models of cosmological inflation, spontaneous SUSY breaking, and the dark energy (de Sitter vacuum) in N=1N=1 supergravity with the dilaton-axion chiral superfield T in the presence of an N=1N=1 vector multiplet with the alternative Fayet-Iliopoulos term. By using the Kähler potential as K=−αlog(T+T¯¯¯¯)K=−αlog(T+T¯) and the superpotential as a sum of a constant and a linear term, we find that viable inflation is possible for 3≤α≤αmax3≤α≤αmax where αmax≈7.235αmax≈7.235. Observations of the amplitude of primordial scalar perturbations fix the SUSY breaking scale in our models as high as 1013 GeV1013 GeV. In the case of α>3α>3 the axion gets the tree-level (non-tachyonic) mass comparable to the inflaton mass. |
| Lingua: | inglese |
| Pubblicazione: |
2019
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1140/epjc/s10052-019-7225-2 |
| Natura: | Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663705 |
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| 200 | 1 | |a Generalized dilaton–axion models of inflation, de Sitter vacua and spontaneous SUSY breaking in supergravity |f Ye. Aldabergenov, A. Chatrabhuti, S. V. Ketov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 55 tit.] | ||
| 330 | |a We propose the unified models of cosmological inflation, spontaneous SUSY breaking, and the dark energy (de Sitter vacuum) in N=1N=1 supergravity with the dilaton-axion chiral superfield T in the presence of an N=1N=1 vector multiplet with the alternative Fayet-Iliopoulos term. By using the Kähler potential as K=−αlog(T+T¯¯¯¯)K=−αlog(T+T¯) and the superpotential as a sum of a constant and a linear term, we find that viable inflation is possible for 3≤α≤αmax3≤α≤αmax where αmax≈7.235αmax≈7.235. Observations of the amplitude of primordial scalar perturbations fix the SUSY breaking scale in our models as high as 1013 GeV1013 GeV. In the case of α>3α>3 the axion gets the tree-level (non-tachyonic) mass comparable to the inflaton mass. | ||
| 461 | |t European Physical Journal C | ||
| 463 | |t Vol. 79, iss. 8 |v [713, 12 p.] |d 2019 | ||
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| 700 | 1 | |a Aldabergenov |b Ye. |g Yermek | |
| 701 | 1 | |a Chatrabhuti |b A. |g Auttakit | |
| 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 | |
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