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- W2895810161 abstract "We have suggested earlier that D-particles, which are stringy space-time defects predicted in brane-inspired models of the Universe, might constitute a component of dark matter, and that they might contribute to the masses of singlet fermions that could provide another component. Interactions of the quantum-fluctuating D-particles with matter induce vector forces that are mediated by a massless effective U(1) gauge field, the D-photon, which is distinct from the ordinary photon and has different properties from dark photons. We discuss the form of interactions of D-matter with conventional matter induced by D-photon exchange and calculate their strength, which depends on the density of D-particles. Observations of the hydrogen 21~cm line at redshifts >= 15 can constrain these interactions and the density of D-matter in the early Universe." @default.
- W2895810161 created "2018-10-26" @default.
- W2895810161 creator A5052011846 @default.
- W2895810161 creator A5081403178 @default.
- W2895810161 creator A5081969425 @default.
- W2895810161 date "2019-01-22" @default.
- W2895810161 modified "2023-09-24" @default.
- W2895810161 title "Constraining D-foam via the 21-cm line" @default.
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- W2895810161 doi "https://doi.org/10.1103/physrevd.99.015031" @default.
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