Engel, Kevin T. (2010) Solitonic brane inflation. Physical Review D, 81 (12). Art. No. 123518 . ISSN 2470-0010. doi:10.1103/PhysRevD.81.123518. https://resolver.caltech.edu/CaltechAUTHORS:20100712-151958732
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Abstract
We present a new type of brane inflation motivated by multikink solitonic solutions of a scalar field in five dimensions. In the thin brane limit, we analyze a nonstatic configuration in which the distance between two parallel domain walls decreases. We show that the ensuing spacetime is inflationary, both on the branes, and, for certain potentials, in the bulk. We argue that this inflationary regime is transitory and can end via a brane merger into a single kink solution—a flat, thick brane RS2 universe. This scenario is quite general; we show that any potential which supports a single flat kink solution is also likely to support an inflationary multikink configuration.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2010 The American Physical Society. Received 2 April 2010; published 16 June 2010. We would like to thank M. B. Wise for useful discussions. This work was supported in part by the U.S. Department of Energy under Contract No. DE-FG02- 92ER40701. | |||||||||
| Group: | Caltech Theory | |||||||||
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| Issue or Number: | 12 | |||||||||
| Classification Code: | PACS: 98.80.Cq, 04.50.-h, 11.27.+d | |||||||||
| DOI: | 10.1103/PhysRevD.81.123518 | |||||||||
| Record Number: | CaltechAUTHORS:20100712-151958732 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20100712-151958732 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 19001 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 14 Jul 2010 23:33 | |||||||||
| Last Modified: | 08 Nov 2021 23:48 |
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