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2020

Strengthening the de Sitter swampland conjecture in warm inflation

Brandenberger, Robert, Kamali, Vahid, Ramos, Rudnei O.

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The "de Sitter constraint" on the space of effective scalar field theories consistent with superstring theory provides a lower bound on the slope of the potential of a scalar field which dominates the evolution of the Universe, e.g., a hypothetical inflaton field.

Whereas models of single scalar field inflation with a canonically normalized field do not obey this constraint, it has been claimed recently in the literature that models of warm inflation can be made compatible with it in the case of large dissipation.
The de Sitter constraint is known to be derived from entropy considerations.
Since warm inflation necessary involves entropy production, it becomes necessary to determine how this entropy production will affect the constraints imposed by the swampland conditions.

Strengthening the de Sitter swampland conjecture in warm inflation · Around

Built on

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M. Bastero-Gil, A. Berera, R. O. Ramos and J. G. Rosa, “Towards a reliable effective field theory of inflation,” arXiv:1907.13410 [hep-ph]
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Similar

R. H. Brandenberger and C. Vafa, “Superstrings In The Early Universe,” Nucl. Phys. B 316
1989
Cited alongside, same era.
A. Berera, “Warm inflation,” Phys. Rev. Lett. 75
1995
Cited alongside, same era.
R. Bousso, “A Covariant entropy conjecture,” JHEP 9907
1999
Cited alongside, same era.
G. B. F. Lima and R. O. Ramos, “Unified early and late Universe cosmology through dissipative effects in steep quintessential inflation potential models,” Phys. Rev. D 100
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2002
Cited alongside, same era.
H. Ooguri and C. Vafa, “On the Geometry of the String Landscape and the Swampland,” Nucl. Phys. B 766
2006
Cited alongside, same era.
I. G. Moss and C. Xiong, “On the consistency of warm inflation,” JCAP 0811

Then

T. D. Brennan, F. Carta and C. Vafa, “The String Landscape, the Swampland, and the Missing Corner,” PoS TASI 2017
Original
2017
Later among the works it cites.
M. Benetti and R. O. Ramos, “Warm inflation dissipative effects: predictions and constraints from the Planck data,” Phys. Rev. D 95
Original
2017
Later among the works it cites.
P. Agrawal, G. Obied, P. J. Steinhardt and C. Vafa, “On the Cosmological Implications of the String Swampland,” Phys. Lett. B 784
Original
2018
Later among the works it cites.
L. Heisenberg, M. Bartelmann, R. Brandenberger and A. Refregier, “Dark Energy in the Swampland,” Phys. Rev. D 98
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2018
Later among the works it cites.
V. Kamali, “Non-minimal Higgs inflation in the context of warm scenario in the light of Planck data,” Eur. Phys. J. C 78

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2008

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A. Berera, I. G. Moss and R. O. Ramos, “Warm Inflation and its Microphysical Basis,” Rept. Prog. Phys. 72

2009

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M. Bastero-Gil and A. Berera, “Warm inflation model building,” Int. J. Mod. Phys. A 24

2009

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S. del Campo, R. Herrera, D. Pavón and J. R. Villanueva, “On the consistency of warm inflation in the presence of viscosity,” JCAP 1008

2010

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M. Bastero-Gil, A. Berera, R. Cerezo, R. O. Ramos and G. S. Vicente, “Stability analysis for the background equations for inflation with dissipation and in a viscous radiation bath,” JCAP 1211

2012

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S. Bartrum, M. Bastero-Gil, A. Berera, R. Cerezo, R. O. Ramos and J. G. Rosa, “The importance of being warm (during inflation),” Phys. Lett. B 732

2014

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M. Bastero-Gil, A. Berera, R. O. Ramos and J. G. Rosa, “Warm Little Inflaton,” Phys. Rev. Lett. 117

2016

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2018

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H. Ooguri, E. Palti, G. Shiu and C. Vafa, “Distance and de Sitter Conjectures on the Swampland,” Phys. Lett. B 788

2018

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2018

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2018

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S. Das, “Note on single-field inflation and the swampland criteria,” Phys. Rev. D 99

2019

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M. Motaharfar, V. Kamali and R. O. Ramos, “Warm inflation as a way out of the swampland,” Phys. Rev. D 99

2019

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M. Bastero-Gil, A. Berera, R. Hernández-Jiménez and J. G. Rosa, “Warm inflation within a supersymmetric distributed mass model,” Phys. Rev. D 99

2019

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S. K. Garg and C. Krishnan, “Bounds on Slow Roll and the de Sitter Swampland,” JHEP 1911

2019

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