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Reheating temperature and inflaton mass bounds from thermalization after inflation

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Standard

Reheating temperature and inflaton mass bounds from thermalization after inflation. / McDonald, John.
In: Physical Review D, Vol. 61, No. 8, 083513, 15.04.2000.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

McDonald, J 2000, 'Reheating temperature and inflaton mass bounds from thermalization after inflation', Physical Review D, vol. 61, no. 8, 083513. https://doi.org/10.1103/PhysRevD.61.083513

APA

McDonald, J. (2000). Reheating temperature and inflaton mass bounds from thermalization after inflation. Physical Review D, 61(8), Article 083513. https://doi.org/10.1103/PhysRevD.61.083513

Vancouver

McDonald J. Reheating temperature and inflaton mass bounds from thermalization after inflation. Physical Review D. 2000 Apr 15;61(8):083513. Epub 2000 Mar 22. doi: 10.1103/PhysRevD.61.083513

Author

McDonald, John. / Reheating temperature and inflaton mass bounds from thermalization after inflation. In: Physical Review D. 2000 ; Vol. 61, No. 8.

Bibtex

@article{5fc536f0ea894f9e9c446797dbbf3a0b,
title = "Reheating temperature and inflaton mass bounds from thermalization after inflation",
abstract = "We consider the conditions for the decay products of perturbative inflaton decay to thermalize. The importance of considering the full spectrum of inflaton decay products in the thermalization process is emphasized. For the case of single field inflation models, it is shown that the delay between the end of inflaton decay and thermalization allows the thermal gravitino upper bound on the reheating temperature to be raised from 10(8) GeV to as much as 10(12) GeV in realistic inflation models. Requiring that thermalization occurs before nucleosynthesis imposes an upper bound on the inflaton mass as a function of the reheating temperature, m(S) less than or similar to 10(10)(T-R/1 GeV)(7/9) GeV. It is also shown that even in realistic inflation models with relatively large reheating temperatures, it is non-trivial to have thermalization before the electroweak phase transition temperature. Therefore the thermal history of the Universe is very sensitive to details of the inflation model.",
keywords = "STANDARD MODEL, BARYOGENESIS, UNIVERSE, DECAY",
author = "John McDonald",
year = "2000",
month = apr,
day = "15",
doi = "10.1103/PhysRevD.61.083513",
language = "English",
volume = "61",
journal = "Physical Review D",
issn = "0556-2821",
publisher = "American Physical Society",
number = "8",

}

RIS

TY - JOUR

T1 - Reheating temperature and inflaton mass bounds from thermalization after inflation

AU - McDonald, John

PY - 2000/4/15

Y1 - 2000/4/15

N2 - We consider the conditions for the decay products of perturbative inflaton decay to thermalize. The importance of considering the full spectrum of inflaton decay products in the thermalization process is emphasized. For the case of single field inflation models, it is shown that the delay between the end of inflaton decay and thermalization allows the thermal gravitino upper bound on the reheating temperature to be raised from 10(8) GeV to as much as 10(12) GeV in realistic inflation models. Requiring that thermalization occurs before nucleosynthesis imposes an upper bound on the inflaton mass as a function of the reheating temperature, m(S) less than or similar to 10(10)(T-R/1 GeV)(7/9) GeV. It is also shown that even in realistic inflation models with relatively large reheating temperatures, it is non-trivial to have thermalization before the electroweak phase transition temperature. Therefore the thermal history of the Universe is very sensitive to details of the inflation model.

AB - We consider the conditions for the decay products of perturbative inflaton decay to thermalize. The importance of considering the full spectrum of inflaton decay products in the thermalization process is emphasized. For the case of single field inflation models, it is shown that the delay between the end of inflaton decay and thermalization allows the thermal gravitino upper bound on the reheating temperature to be raised from 10(8) GeV to as much as 10(12) GeV in realistic inflation models. Requiring that thermalization occurs before nucleosynthesis imposes an upper bound on the inflaton mass as a function of the reheating temperature, m(S) less than or similar to 10(10)(T-R/1 GeV)(7/9) GeV. It is also shown that even in realistic inflation models with relatively large reheating temperatures, it is non-trivial to have thermalization before the electroweak phase transition temperature. Therefore the thermal history of the Universe is very sensitive to details of the inflation model.

KW - STANDARD MODEL

KW - BARYOGENESIS

KW - UNIVERSE

KW - DECAY

U2 - 10.1103/PhysRevD.61.083513

DO - 10.1103/PhysRevD.61.083513

M3 - Journal article

VL - 61

JO - Physical Review D

JF - Physical Review D

SN - 0556-2821

IS - 8

M1 - 083513

ER -