The Weinberg-Salam model and early cosmology

Paul Joseph Steinhardt

doi:10.1016/0550-3213(81)90016-X

The Weinberg-Salam model and early cosmology

Paul Joseph Steinhardt

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

The consequences for cosmology of the phase transition in which SU(2)×U(1) symmetry is broken in the Weinberg-Salam model are discussed. The qualitative arguments concerning the effect of the phase transition on the baryon-to-entropy ratio that were recently posed by Witten for the case of a Coleman-Weinberg light Higgs boson are confirmed through exact numerical computations, but some quantitative disagreement is found. The computations are extended to the case in which the light Higgs boson is not of the Coleman-Weinberg type and the nature of the phase transition is discussed. Other cosmological effects are considered.

Original language	English (US)
Pages (from-to)	492-508
Number of pages	17
Journal	Nuclear Physics, Section B
Volume	179
Issue number	3
DOIs	https://doi.org/10.1016/0550-3213(81)90016-X
State	Published - Mar 16 1981
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0550-3213(81)90016-X

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abstract = "The consequences for cosmology of the phase transition in which SU(2)×U(1) symmetry is broken in the Weinberg-Salam model are discussed. The qualitative arguments concerning the effect of the phase transition on the baryon-to-entropy ratio that were recently posed by Witten for the case of a Coleman-Weinberg light Higgs boson are confirmed through exact numerical computations, but some quantitative disagreement is found. The computations are extended to the case in which the light Higgs boson is not of the Coleman-Weinberg type and the nature of the phase transition is discussed. Other cosmological effects are considered.",

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AB - The consequences for cosmology of the phase transition in which SU(2)×U(1) symmetry is broken in the Weinberg-Salam model are discussed. The qualitative arguments concerning the effect of the phase transition on the baryon-to-entropy ratio that were recently posed by Witten for the case of a Coleman-Weinberg light Higgs boson are confirmed through exact numerical computations, but some quantitative disagreement is found. The computations are extended to the case in which the light Higgs boson is not of the Coleman-Weinberg type and the nature of the phase transition is discussed. Other cosmological effects are considered.

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The Weinberg-Salam model and early cosmology

Abstract

All Science Journal Classification (ASJC) codes

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