Reheating in small-field inflation on the brane: the swampland criteria and observational constraints in light of the PLANCK 2018 results

被引：24

作者：

Osses, Constanza ^{[1
]}

Videla, Nelson ^{[1
]}

Panotopoulos, Grigoris ^{[2
]}

机构：

[1] Pontificia Univ Catolica Valparaiso, Inst Fis, Ave Brasil 2950, Valparaiso 4059, Chile

[2] Univ Lisboa UL, Inst Super Tecn IST, Dept Fis, Ctr Astrofis & Gravitacao CENTRA, Av Rovisco Pais, P-1049001 Lisbon, Portugal

来源：

EUROPEAN PHYSICAL JOURNAL C | 2021年 / 81卷 / 06期

关键词：

PARTICLE PHYSICS MODELS; NONTHERMAL LEPTOGENESIS; THERMAL LEPTOGENESIS; NATURAL INFLATION; BARYOGENESIS; COSMOLOGY; BARYON; FLUCTUATIONS; MILLIMETER; RADIATION;

D O I：

10.1140/epjc/s10052-021-09283-6

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study cosmological inflation and its dynamics in the framework of the Randall-Sundrum II brane model. In particular, we analyze in detail four representative small-field inflationary potentials, namely Natural inflation, Hilltop inflation, Higgs-like inflation, and Exponential SUSY inflation, each characterized by two mass scales. We constrain the parameters for which a viable inflationary Universe emerges using the latest PLANCK results. Furthermore, we investigate whether or not those models in brane cosmology are consistent with the recently proposed Swampland Criteria, and give predictions for the duration of reheating as well as for the reheating temperature after inflation. Our results show that (i) the distance conjecture is satisfied, (ii) the de Sitter conjecture and its refined version may be avoided, and (iii) the allowed range for the five-dimensional Planck mass, M-5, is found to be 10(5) TeV less than or similar to M-5 less than or similar to 10(12) TeV. Our main findings indicate that non-thermal leptogenesis cannot work within the framework of RS-II brane cosmology, at least for the inflationary potentials considered here.

引用

页数：29

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