Adiabatic and isocurvature fluctuations of Affleck-Dine field in D-term inflation model

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

11pages,2figures;to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00957-1

We reconsider fluctuations of Affleck-Dine (AD) field in a D-term inflation model. Contrary to the previous analysis, we find that the spectrum of the adiabatic fluctuations is almost scale invariant even if the AD field has a large initial value. Furthermore, we study the isocurvature fluctuations of the AD field and estimate the ratio of the isocurvature to adiabatic power spectrum. The dynamics of the inflaton and AD fields sets the upper bound for the value of the AD field, leading to a lower limit for isocurvature perturbation. It is shown that the recent Cosmic Microwave Background data give a constraint on the D-term inflation and the AD field.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Adiabatic and isocurvature fluctuations of Affleck-Dine field in D-term inflation model 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 Adiabatic and isocurvature fluctuations of Affleck-Dine field in D-term inflation model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adiabatic and isocurvature fluctuations of Affleck-Dine field in D-term inflation model will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-61442

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.