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Title: Cosmological dynamics of Higgs potential fine tuning

Abstract

The Higgs potential appears to be fine-tuned, hence very sensitive to values of other scalar fields that couple to the Higgs. We show that this feature can lead to a new epoch in the early universe featuring violent dynamics coupling the Higgs to a scalar modulus. The oscillating modulus drives tachyonic Higgs particle production. We find a simple parametric understanding of when this process can lead to rapid modulus fragmentation, resulting in gravitational wave production. A nontrivial equation-of-state arising from the nonlinear dynamics also affects the time elapsed from inflation to the CMB, influencing fits of inflationary models. Supersymmetric theories automatically contain useful ingredients for this picture.

Authors:
; ; ;
Publication Date:
Research Org.:
Rice Univ., Houston, TX (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF)
OSTI Identifier:
1494379
Alternate Identifier(s):
OSTI ID: 1594799
Grant/Contract Number:  
SC0018216; PHY-1607611; 80NSSC18K1010; SC0010010; NNX16AI12G; SC0013607
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 99 Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Cosmology; Gravitational waves; Hierarchy problem; Inflation; Supersymmetric models; Hypothetical scalars

Citation Formats

Amin, Mustafa A., Fan, JiJi, Lozanov, Kaloian D., and Reece, Matthew. Cosmological dynamics of Higgs potential fine tuning. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.99.035008.
Amin, Mustafa A., Fan, JiJi, Lozanov, Kaloian D., & Reece, Matthew. Cosmological dynamics of Higgs potential fine tuning. United States. doi:10.1103/PhysRevD.99.035008.
Amin, Mustafa A., Fan, JiJi, Lozanov, Kaloian D., and Reece, Matthew. Tue . "Cosmological dynamics of Higgs potential fine tuning". United States. doi:10.1103/PhysRevD.99.035008.
@article{osti_1494379,
title = {Cosmological dynamics of Higgs potential fine tuning},
author = {Amin, Mustafa A. and Fan, JiJi and Lozanov, Kaloian D. and Reece, Matthew},
abstractNote = {The Higgs potential appears to be fine-tuned, hence very sensitive to values of other scalar fields that couple to the Higgs. We show that this feature can lead to a new epoch in the early universe featuring violent dynamics coupling the Higgs to a scalar modulus. The oscillating modulus drives tachyonic Higgs particle production. We find a simple parametric understanding of when this process can lead to rapid modulus fragmentation, resulting in gravitational wave production. A nontrivial equation-of-state arising from the nonlinear dynamics also affects the time elapsed from inflation to the CMB, influencing fits of inflationary models. Supersymmetric theories automatically contain useful ingredients for this picture.},
doi = {10.1103/PhysRevD.99.035008},
journal = {Physical Review D},
number = 3,
volume = 99,
place = {United States},
year = {2019},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.99.035008

Citation Metrics:
Cited by: 8 works
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