Gravitational lensing of photons coupled to massive particles [HEAP]

The gravitational deflection of massless and massive particles, both with and without spin, has been extensively studied. This paper discusses the lensing of a particle which oscillates between two interaction eigenstates. The deflection angle, lens equation and time delay between images are derived in a model of photon to hidden-photon oscillations. In the case of coherent oscillations, the coupled photon behaves as a massive particle with a mass equal to the product of the coupling constant and hidden photon mass. The conditions for observing coherent photon-hidden photon lensing are discussed.

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J. Glicenstein
Tue, 13 Feb 18

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