Home > Research > Publications & Outputs > The masses of weakly-coupled scalar fields in t...

Research

Links

Text available via DOI:

Keywords

View graph of relations

The masses of weakly-coupled scalar fields in the early universe.

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

Published

Standard

The masses of weakly-coupled scalar fields in the early universe. / Lyth, David H.; Moroi, Takeo.
In: Journal of High Energy Physics, Vol. 2004, No. 5, 05.2004, p. 004.

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

Harvard

Lyth, DH & Moroi, T 2004, 'The masses of weakly-coupled scalar fields in the early universe.', Journal of High Energy Physics, vol. 2004, no. 5, pp. 004. https://doi.org/10.1088/1126-6708/2004/05/004

APA

Lyth, D. H., & Moroi, T. (2004). The masses of weakly-coupled scalar fields in the early universe. Journal of High Energy Physics, 2004(5), 004. https://doi.org/10.1088/1126-6708/2004/05/004

Vancouver

Lyth DH, Moroi T. The masses of weakly-coupled scalar fields in the early universe. Journal of High Energy Physics. 2004 May;2004(5):004. doi: 10.1088/1126-6708/2004/05/004

Author

Lyth, David H. ; Moroi, Takeo. / The masses of weakly-coupled scalar fields in the early universe. In: Journal of High Energy Physics. 2004 ; Vol. 2004, No. 5. pp. 004.

Bibtex

@article{a316e86658dc469f85e2241fff440051,
title = "The masses of weakly-coupled scalar fields in the early universe.",
abstract = "We consider the effective mass-squared in the early Universe, of a scalar field which has only Planck-suppressed couplings with light fields and whose true mass is less than the Hubble parameter H. A detailed investigation shows that the effective mass-squared generically is of order ±H2 during inflation and matter-domination, but much smaller during radiation domination. We consider the special circumstances under which the mass-squared may be much bigger or much smaller than the generic value.",
keywords = "Cosmology of Theories beyond the SM, Physics of the Early Universe",
author = "Lyth, {David H.} and Takeo Moroi",
year = "2004",
month = may,
doi = "10.1088/1126-6708/2004/05/004",
language = "English",
volume = "2004",
pages = "004",
journal = "Journal of High Energy Physics",
publisher = "Springer-Verlag",
number = "5",

}

RIS

TY - JOUR

T1 - The masses of weakly-coupled scalar fields in the early universe.

AU - Lyth, David H.

AU - Moroi, Takeo

PY - 2004/5

Y1 - 2004/5

N2 - We consider the effective mass-squared in the early Universe, of a scalar field which has only Planck-suppressed couplings with light fields and whose true mass is less than the Hubble parameter H. A detailed investigation shows that the effective mass-squared generically is of order ±H2 during inflation and matter-domination, but much smaller during radiation domination. We consider the special circumstances under which the mass-squared may be much bigger or much smaller than the generic value.

AB - We consider the effective mass-squared in the early Universe, of a scalar field which has only Planck-suppressed couplings with light fields and whose true mass is less than the Hubble parameter H. A detailed investigation shows that the effective mass-squared generically is of order ±H2 during inflation and matter-domination, but much smaller during radiation domination. We consider the special circumstances under which the mass-squared may be much bigger or much smaller than the generic value.

KW - Cosmology of Theories beyond the SM

KW - Physics of the Early Universe

U2 - 10.1088/1126-6708/2004/05/004

DO - 10.1088/1126-6708/2004/05/004

M3 - Journal article

VL - 2004

SP - 004

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 5

ER -