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Cai, Rong-Gen; Wang, Shao-Jiang
Higgs chameleon
Source PublicationPHYSICAL REVIEW D
AbstractThe existing constraints from particle colliders reveal a suspicious but nonlethal metastability for our current electroweak vacuum of Higgs potential in the standard model of particle physics, which is, however, disfavored in the early Universe if the inflationary Hubble scale is larger than the instability scale when Higgs quartic self-coupling runs into negative value. Alternative to previous trials of acquiring a positive effective mass-squared from Higgs quadratic couplings to Ricci scalar or inflaton field, we propose a third approach to stabilize the Higgs potential in the early Universe by regarding Higgs as chameleon coupled to inflaton alone without conflicting to the present constraints on either Higgs or chameleon.
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Fundamental Phys & Math Sci, Hangzhou Inst Adv Study, Hangzhou 310024, Peoples R China
3.Tufts Univ, Tufts Inst Cosmol, Dept Phys & Astron, 574 Boston Ave, Medford, MA 02155 USA
Recommended Citation
GB/T 7714
Cai, Rong-Gen,Wang, Shao-Jiang. Higgs chameleon[J]. PHYSICAL REVIEW D,2021,103(2):23502.
APA Cai, Rong-Gen,&Wang, Shao-Jiang.(2021).Higgs chameleon.PHYSICAL REVIEW D,103(2),23502.
MLA Cai, Rong-Gen,et al."Higgs chameleon".PHYSICAL REVIEW D 103.2(2021):23502.
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