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

doi:10.1103/PhysRevLett.118.183602

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

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

182 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 language	English (US)
Article number	183602
Journal	Physical review letters
Volume	118
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.118.183602
State	Published - May 1 2017

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.118.183602

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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.",

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AU - Kasevich, Mark A.

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AB - 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.

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

Abstract

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