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Huang, D; Lu, BQ
Comment on "Hearing the signal of dark sectors with gravitational wave detectors"
Source PublicationPHYSICAL REVIEW D
AbstractWe revisit the calculation of the gravitational wave spectra generated in a classically scale-invariant SU(2) gauge sector with a scalar field in the adjoint representation, as discussed by J. Jaeckel, et al. The finite-temperature potential at 1-loop level can induce a strong first-order phase transition, during which gravitational waves can be generated. With the accurate numerical computation of the on-shell Euclidean actions of the nucleation bubbles, we find that the triangle approximation employed by J. Jaeckel et al. strongly distorts the actual potential near its maximum and thus greatly underestimates the action values. As a result, the gravitational wave spectra predicted by J. Jaeckel et al. deviate significantly from the exact ones in peak frequencies and shapes.
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ Warsaw, Inst Theoret Phys, Fac Phys, Pasteura 5, PL-02093 Warsaw, Poland
2.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Huang, D,Lu, BQ. Comment on "Hearing the signal of dark sectors with gravitational wave detectors"[J]. PHYSICAL REVIEW D,2018,97(6):68303.
APA Huang, D,&Lu, BQ.(2018).Comment on "Hearing the signal of dark sectors with gravitational wave detectors".PHYSICAL REVIEW D,97(6),68303.
MLA Huang, D,et al."Comment on "Hearing the signal of dark sectors with gravitational wave detectors"".PHYSICAL REVIEW D 97.6(2018):68303.
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