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Intermediate class of warm pseudoscalar inflation

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jun 2021Embargo end date: 01 Jan 2021Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal C, volume 81 (issn: 1434-6044, eissn: 1434-6052,

Authors: Ebrahimi, Saeid; Kamali, Vahid; Alaei, Asma;

doi: 10.1140/epjc/s10052-021-09367-3 , 10.48550/arxiv.2111.10540

arXiv: http://arxiv.org/abs/2111.10540

Intermediate class of warm pseudoscalar inflation

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Abstract

AbstractHigh dissipative regime of warm pseudoscalar inflation model (Kamali in Phys Rev D 100:043520, arXiv:1901.01897 [gr-qc], 2019) with an approximately constant value of dissipation parameter Q is studied. Intermediate solution of the scale-factor related to the accelerated expansion of the Universe which is rolled out by observational data in the context of standard (cold) model of inflation is used. There is a region of free parameters phase-space of the model which is interestingly compatible with recent observational data. It is discussed that the model is also compatible with the swampland criteria in a broad range of parameters phase-space and TCC in a limited area of parameters.

Related Organizations

Bu-Ali Sina University
Iran (Islamic Republic of)

Keywords

High Energy Physics - Theory, Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, QC770-798, General Relativity and Quantum Cosmology (gr-qc), Astrophysics, General Relativity and Quantum Cosmology, QB460-466, High Energy Physics - Theory (hep-th), Nuclear and particle physics. Atomic energy. Radioactivity, Astrophysics - Cosmology and Nongalactic Astrophysics

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