Panda, Sudhakar ; Sami, M. ; Ward, John (2010) Bounds on tensor wave and twisted inflation Physical Review D - Particles, Fields, Gravitation and Cosmology, 82 (10). 103511_1-103511_5. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v82/i10/e103511
Related URL: http://dx.doi.org/10.1103/PhysRevD.82.103511
Abstract
We study the bounds on tensor wave in a class of twisted inflation models, where D(4+2k)-branes are wrapped on cycles in the compact manifold and wrap the Kaluza-Klein direction in the corresponding effective field theory. While the lower bound is found to be analogous to that in type IIB models of brane inflation, the upper bound turns out to be significantly different. This is argued for a range of values for the parameter gsM satisfying the self-consistency relation and the WMAP data. Further, we observe that the wrapped D8-brane appears to be the most attractive from a cosmological perspective.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 70492 |
| Deposited On: | 21 Nov 2011 07:16 |
| Last Modified: | 21 Nov 2011 07:16 |
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