Thursday, August 17, 2023, 11:00 am — Small Seminar Room, Bldg. 510
Abstract: Ultralight bosons exhibit wave behavior when their occupation number is high. Their interaction with the Standard Model particles physics can engender a tiny detectable signal, characterized by the oscillatory boson background. In the vicinity of a rapidly rotating black hole, ultralight bosons falling within a specific mass range accumulate via superradiance, resulting in a high field value potentially approaching the Planck scale. The talk will cover some examples of consequences, including axion-induced birefringence, gravitational deflection of photon geodesics, and parametric production of neutrino fluxes.
Hosted by: Peter Denton
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