Phase Shift in an Atom Interferometer due to Spacetime Curvature across its Wave Function

Peter Asenbaum, Chris Overstreet, Timothy Light Kovachy, Daniel D. Brown, Jason M. Hogan, Mark A. Kasevich

Research output: Contribution to journalArticle

73 Scopus citations

Abstract

Spacetime curvature induces tidal forces on the wave function of a single quantum system. Using a dual light-pulse atom interferometer, we measure a phase shift associated with such tidal forces. The macroscopic spatial superposition state in each interferometer (extending over 16 cm) acts as a nonlocal probe of the spacetime manifold. Additionally, we utilize the dual atom interferometer as a gradiometer for precise gravitational measurements.

Original languageEnglish (US)
Article number183602
JournalPhysical review letters
Volume118
Issue number18
DOIs
StatePublished - May 1 2017

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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