Sep 19 – 23, 2022
Perimeter Institute for Theoretical Physics
America/Toronto timezone

Measuring gravity at micron scale and other fun tricks with optically levitated microspheres

Sep 21, 2022, 2:00 PM
1h
PI/1-100 - Theatre (Perimeter Institute for Theoretical Physics)

PI/1-100 - Theatre

Perimeter Institute for Theoretical Physics

190

Speaker

Giorgio Gratta (Stanford University)

Description

I will describe a new program of measurements in fundamental physics using optically levitated dielectric microspheres. The focus of the talk will be the recently completed first search for new, gravity-like interactions at micron scale using this novel technique. I will also show an array of other results, including searches for millicharged particles, Chameleon fields and techniques to manipulate the various degrees of freedom of the trapped microspheres.

Presentation materials

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External references