Results 11 to 20 of about 10,536 (250)
Warm quintessential inflation [PDF]
We introduce warm quintessential inflation and study it in the weak dissipative regime. We consider the original quintessential inflation model, which approximates quartic chaotic inflation at early times and thawing quartic inverse-power-law ...
Konstantinos Dimopoulos +1 more
doaj +3 more sources
We propose a two-field model of warm inflation motivated by a heterotic string construction, involving an axion and a dilaton-like scalar field with non-trivial kinetic mixing.
Arjun Berera +5 more
doaj +3 more sources
Reconstructing warm inflation [PDF]
The reconstruction of a warm inflationary universe model from the scalar spectral index $$n_S(N)$$ nS(N) and the tensor to scalar ratio r(N) as a function of the number of e-folds N is studied.
Ramón Herrera
doaj +3 more sources
Intermediate class of warm pseudoscalar inflation [PDF]
High 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.
Saeid Ebrahimi, Vahid Kamali, Asma Alaei
doaj +3 more sources
Warm Inflation with Nonminimal Derivative Coupling [PDF]
We study the effects of the nonminimal derivative coupling on the dissipative dynamics of the warm inflation where the scalar field is nonminimally coupled to gravity via its kinetic term.
Kourosh Nozari, M. Shoukrani, N. Rashidi
doaj +2 more sources
Slow-roll inflation is a successful paradigm. However we find that even a small coupling of the inflaton to other light fields can dramatically alter the dynamics and predictions of inflation. As an example, the inflaton can generically have an axion-like coupling to gauge bosons. Even relatively small couplings will automatically induce a thermal bath
Berghaus, Kim V. +2 more
openaire +2 more sources
Is warm inflation possible? [PDF]
22 pages ...
Yokoyama, Jun'ichi, Linde, Andrei
openaire +2 more sources
Perturbations in warm inflation [PDF]
12 pages, no figures, requires revtex4. Further explanation on the origin of the entropy perturbation, reference added and minor notation change. Version accepted for publication in Phys.
De Oliveira, H. P., Jorás, S. E.
openaire +2 more sources
In this paper we introduce the "warm vector inflation" scenario. In warm inflation scenario radiation is produced during the inflation epoch and reheating is avoided. Slow-roll and perturbation parameters of this model are presented. We develop our model using intermediate inflation model.
Setare, M. R., Kamali, V.
openaire +3 more sources

