Searching for new physics using optically levitated sensors
ORAL · Invited
Abstract
Tabletop-scale AMO-based experiments are well suited to discover a wide range of new phenomena beyond the Standard model of particle physics, where feeble interactions require precision measurements rather than high energies. In high vacuum, optically levitated dielectric nanospheres achieve excellent decoupling from their environment, making force sensing at the zeptonewton level (10-21 N) achievable. In this talk I will describe our experimental efforts using dielectric objects supported by radiation pressure as precision sensors to search for quantum effects related to gravity, high-frequency gravitational waves, and Dark Matter.
*This work was partially supported by NSF grant no. PHY-2110524, the Heising-Simons Foundation, the J. Templeton Foundation, the W.M. Keck Foundation, and the office of Naval Research grant no.417315//N00014-18-1-2370.
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Presenters
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Andrew A Geraci
- Northwestern University