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String theory and hybrid inflation/acceleration
Open accessAbstract
We find a description of hybrid inflation in (3+1)-dimensions using brane dynamics of Hanany-Witten type. P-term inflation/acceleration of the universe with the hybrid potential has a slow-roll de Sitter stage and a waterfall stage which leads towards an = 2 supersymmetric ground state. We identify the slow-roll stage of inflation with a non-supersymmetric `Coulomb phase' with Fayet-Iliopoulos term. This stage ends when the mass squared of one of the scalars in the hypermultiplet becomes negative. At that moment the brane system starts undergoing a phase transition via tachyon condensation to a fully Higgsed supersymmetric vacuum which is the absolute ground state of P-term inflation. A string theory/cosmology dictionary is provided, which leads to constraints on parameters of the brane construction from cosmological experiments. We display a splitting of mass levels reminiscent of the Zeeman effect due to spontaneous supersymmetry breaking.
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Cites
Particle physics models of inflation and the cosmological density perturbation
Lyth, D. H., & Riotto, A. (1999) · Physics Reports · doi:10.1016/s0370-1573(98)00128-8 · Cited by 2,064
Cited by
Douglas, M. R., & Kachru, S. (2007) · Reviews of Modern Physics · doi:10.1103/revmodphys.79.733 · Cited by 1,122
Cosmological evolution of the rolling tachyon
Gibbons, G. W. (2002) · Physics Letters B · doi:10.1016/s0370-2693(02)01881-6 · Cited by 565
Inflation from a tachyon fluid?
Fairbairn, M., & Tytgat, M. H. G. (2002) · Physics Letters B · doi:10.1016/s0370-2693(02)02638-2 · Cited by 276
Metadata
- Authors
- Herdeiro, C., Hirano, S., & Kallosh, R.
- Venue
- Journal of High Energy Physics
- Published
- 2001-12-19
- Volume
- 2001
- Issue
- 12
- Pages
- 027-027
- ISSN
- 1029-8479 (ISSN-L)
- OpenAlex
- W2003663552
- Cited by
- 161
- References
- 1
- FWCI
- 18.12
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Herdeiro, C., Hirano, S., & Kallosh, R. (2001). String theory and hybrid inflation/acceleration. Journal of High Energy Physics. https://doi.org/10.1088/1126-6708/2001/12/027
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