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Classical Decay of the Inflaton
Open accessAbstract
We present the first fully nonlinear calculation of inflaton decay. We map inflaton decay onto an equivalent classical problem and solve the latter numerically. In the $\ensuremath{\lambda}{\ensuremath{\varphi}}^{4}$ model, we find that parametric resonance develops slower and ends at smaller values of fluctuating fields, as compared to estimates existing in literature. We also observe a number of qualitatively new phenomena, including a stage of semiclassical thermalization, during which the decay of inflaton is essentially as effective as during the resonance stage.
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Citations
Cited by
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
Inflation dynamics and reheating
Bassett, B. A., Tsujikawa, S., & Wands, D. (2006) · Reviews of Modern Physics · doi:10.1103/revmodphys.78.537 · Cited by 1,020
Reheating in Inflationary Cosmology: Theory and Applications
Allahverdi, R., Brandenberger, R., Cyr-Racine, F.-Y., & Mazumdar, A. (2010) · Annual Review of Nuclear and Particle Science · doi:10.1146/annurev.nucl.012809.104511 · Cited by 573
Dynamics of Symmetry Breaking and Tachyonic Preheating
Felder, G., García-Bellido, J., Greene, P. B., Kofman, L., Linde, A., & Tkachev, I. (2001) · Physical Review Letters · doi:10.1103/physrevlett.87.011601 · Cited by 508
Self-citationLinde, A. (2007) · Lecture Notes in Physics · doi:10.1007/978-3-540-74353-8_1 · Cited by 486
Metadata
- Authors
- Khlebnikov, S. Y., & Tkachev, I. I.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1996-07-08
- Volume
- 77
- Issue
- 2
- Pages
- 219-222
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1948937454
- Cited by
- 410
- References
- 0
- FWCI
- 27.92
- Type
- journal article
- Language
- en
- Open access
- green
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