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Gravitons to Photons -- attenuation of gravitational waves | | Preston Jones
; Douglas Singleton
; | | Date: |
19 May 2015 | | Abstract: | In this essay we examine the response of an Unruh-DeWitt detector (a quantum
two-level system) to a gravitational wave background. The spectrum of the
Unruh-Dewitt detector is of the same form as some scattering processes or three
body decays such as muon-electron scattering {it i.e.} $mu ^- + e^-
ightarrow
u_mu +
u_e$ or muon decay {it i.e.} $mu ^-
ightarrow e^- +
u_mu + {ar
u}_e$. Based on this similarity we propose that the
Unruh-DeWitt detector response implies a "decay" or attenuation of gravitons,
$G$, into photons, $gamma$, via $G + G
ightarrow gamma + gamma $ or $G
ightarrow gamma + gamma + G$. Over large distances such a decay/attenuation
may have consequences in regard to the detection of gravitational waves. | | Source: | arXiv, 1505.4843 | | Services: | Forum | Review | PDF | Favorites | |
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