Runaway potentials in warm inflation satisfying the swampland conjectures

Suratna Das (Department of Physics, Indian Institute of Technology, Kanpur 208016, India) ; Rudnei O. Ramos (Departamento de Fisica Teorica, Universidade do Estado do Rio de Janeiro, 20550-013 Rio de Janeiro, RJ, Brazil)

The runaway potentials, which do not possess any critical points, are viable potentials which befit the recently proposed de Sitter swampland conjecture very well. In this work, we embed such potentials in the warm inflation scenario motivated by quantum field theory models generating a dissipation coefficient with a dependence cubic in the temperature. It is demonstrated that such models are able to remain in tune with the present observations and they can also satisfy all three swampland conjectures, namely, the swampland distance conjecture, the de Sitter conjecture, and the trans-Planckian censorship conjecture, simultaneously. These features make such models viable from the point of view of effective field theory models in quantum gravity and string theory, away from the swampland.

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Published on:
18 November 2020
Publisher:
APS
Published in:
Physical Review D , Volume 102 (2020)
Issue 10
DOI:
https://doi.org/10.1103/PhysRevD.102.103522
arXiv:
2007.15268
Copyrights:
Published by the American Physical Society
Licence:
CC-BY-4.0

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