A Hidden Microwave Background? -- signatures of photon-WISP oscillations in the CMB
Javier Redondo
TL;DR
This paper reviews the potential cosmological signatures of a relic background of weakly interacting sub-eV particles (WISPs) generated through photon-WISP oscillations, exploring their implications for the cosmic microwave background.
Contribution
It introduces the concept of photon-WISP oscillations as a source of relic WISP backgrounds and discusses their potential observable effects on the CMB.
Findings
WISP backgrounds could leave detectable imprints on the CMB
Photon-WISP oscillations may influence cosmological observations
Theoretical framework for WISP signatures in the early universe
Abstract
The existence and cosmological signatures of a relic background of very weakly interacting sub-eV particles (WISPs), produced by photon-WISP oscillations is reviewed.
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Taxonomy
TopicsCosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies