Braneworld inflation
Abstract
We discuss various realizations of the four-dimensional braneworld inflation in warped geometries of string theory. In all models the inflaton field is represented by a Dp probe brane scalar specifying its position in the warped throat of the compactification manifold. We study existing inflationary throat local geometries, and construct a new example. The inflationary brane is either a D3 or a D5 brane of typeIIB string theory. In the latter case the inflationary brane is wrapping a two-cycle of the compactification manifold. We discuss some phenomenological aspects of the model where slow-roll conditions are under computational control.
- Publication:
-
Physical Review D
- Pub Date:
- December 2004
- DOI:
- 10.1103/PhysRevD.70.126008
- arXiv:
- arXiv:hep-th/0404151
- Bibcode:
- 2004PhRvD..70l6008B
- Keywords:
-
- 11.25.-w;
- 04.65.+e;
- 98.80.-k;
- Strings and branes;
- Supergravity;
- Cosmology;
- High Energy Physics - Theory
- E-Print:
- 31 pages + 6 figures, v2: published PRD version