Density fluctuations from warm inflation

Details Density fluctuations from warm inflation Density fluctuations from warm inflation

2009-05-21

arxiv.org/abs/0905.3500v1

JCAP 0907:013,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

14 pages, 4 figures, ReVTeX

Scientific paper

10.1088/1475-7516/2009/07/013

Thermal fluctuations provide the main source of large scale density perturbations in warm inflationary models of the early universe. For the first time, general results are obtained for the power spectrum in the case when the friction coefficient in the inflaton equation of motion depends on temperature. A large increase in the amplitude of perturbations occurs when the friction coefficient increases with temperature. This has to be taken into account when constructing models of warm inflation. New results are also given for the thermal fluctuations in the weak regime of warm inflation when the friction coefficient is relatively small.

Affiliated with

Also associated with

No associations

Rating

Density fluctuations from warm inflation does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Density fluctuations from warm inflation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Density fluctuations from warm inflation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-445306