Cosmology in p-brane systems

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

45 pages; v3: minor corrections, references added

Scientific paper

10.1103/PhysRevD.83.086002

We present time-dependent solutions in the higher-dimensional gravity which are related to supergravity in the particular cases. Here, we consider p-branes with a cosmological constant and the intersections of two and more branes. The dynamical description of p-branes can be naturally obtained as the extension of static solutions. In the presence of a cosmological constant, we find accelerating solutions if the dilaton is not dynamical. In the case of intersecting branes, the field equations normally indicate that time-dependent solutions in supergravity can be found if only one harmonic function in the metric depends on time. However, if the special relation between dilaton couplings to antisymmetric tensor field strengths is satisfied, one can find a new class of solutions where all harmonic functions depend on time. We then apply our new solutions to study cosmology, with and without performing compactifications.

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

Cosmology in p-brane systems 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 Cosmology in p-brane systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cosmology in p-brane systems will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-613974

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