Mark Kasevich

Stanford University, USA

Mark Kasevich (left) with Tilman Esslinger
Mark Kasevich (left) with Tilman Esslinger

Date

8 October 2008

Title

Precision Atom Interferometry

Abstract

Atom de Broglie wave interferometry has emerged as a tool capable of addressing a diverse set of questions in gravitational physics, and as an enabling technology for advanced sensors in geodesy and navigation. This talk will review basic principles, then discuss recent applications and future directions. Scientific applications to be discussed include measurement of G (Newton's constant), and tests of the Equivalence Principle and post-Newtonian gravity. Technological applications include development of precision gryoscopes and gravity gradiometers for advanced inertial navigation systems and gravity anomally surveys. The talk will conclude with speculative remarks looking to the future: Can atom interference methods be used to detect gravity waves? Can non-classical (entangled/squeezed state) atom sources lead to meaningful sensor performance improvements?

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