Speaker
Surjeet Rajendran
(UC Berkeley)
Description
Observational limits on the mass of dark matter are weak — they allow the mass of dark matter to be anywhere from $10^{-22}$ eV – $10^{48}$ GeV. In this talk, I will focus on ultra-light dark matter in the mass range $10^{-22}$ eV – $10^{-5}$ eV. A number of well motivated dark matter candidates such as axions inhabit this vast parameter space. Even though these candidates emerge from a number of models, there are only four possible experimental signatures of these models: they can drive currents in circuits, lead to spin precession, exert forces on particles, and change the values of fundamental constants. All of these effects can be experimentally probed using precision magnetometry and interferometry.
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Primary author
Surjeet Rajendran
(UC Berkeley)
