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A further look at particle annihilation in dark matter caustics
Aravind Natarajan, Pierre Sikivie
Dark matter caustics are small scale, high density structures believed to exist in galaxies like ours. If the dark matter consists of Weakly Interacting Massive Particles, these ca…
Dark Matter Caustics in Galaxy Clusters
V. Onemli, P. Sikivie
We interpret the recent gravitational lensing observations of Jee et al. \cite{Jee} as first evidence for a {\it caustic} ring of dark matter in a galaxy cluster. A caustic ring un…
Does the Second Caustic Ring of Dark Matter Cause the Monoceros Ring of Stars ?
Aravind Natarajan, Pierre Sikivie
Caustic rings of dark matter were predicted to exist in the plane of the Galaxy at radii for . The recently discovered Monoceros Ring of s…
Resonantly Enhanced Axion-Photon Regeneration
P. Sikivie, D. B. Tanner, Karl van Bibber
We point out that photon regeneration-experiments that search for the axion, or axion-like particles, may be resonantly enhanced by employing matched Fabry-Perot optical cavities e…