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- W2912334019 abstract "A new relation between the particle mass of dark matter (DM) particle,$m_chi$, and the tensor-to-scalar ratio of metric perturbation, $r$, isobtained by taking into account of pair productions of DM particles afterreheating. In the early Universe, each pair production of DM particles canimprint a small local fluctuation in the trace of metric. Such fluctuations,which encode $m_chi$, accumulate to drive an amplified resonance between DMdensity perturbation and scalar modes of metric perturbation, and, in turn,leads to a suppression of $r$. Investigating this resonance effect in aconventional cold DM scenario can yields a new relation between $m_chi$ and$r$. As $r$ will be further constrained in the coming round of primordialgravitational wave detections, $m_chi$ will be also constrained accordingly byapplying this relation." @default.
- W2912334019 created "2019-02-21" @default.
- W2912334019 creator A5085663161 @default.
- W2912334019 date "2019-02-15" @default.
- W2912334019 modified "2023-09-27" @default.
- W2912334019 title "Constraining Single Dark Matter Particle Mass by Primordial Gravitational Wave" @default.
- W2912334019 hasPublicationYear "2019" @default.
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