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Abstract
This paper presents a laboratory-based, blinded test of the gravitational redshift using an array of five atomic ensembles. The experiment measured a fractional frequency gradient consistent with the expected redshift gradient, demonstrating the potential of differential clock comparisons for applications like geodesy and gravitational wave detection.
Publisher
Nature Communications
Published On
Aug 12, 2023
Authors
Xin Zheng, Jonathan Dolde, Matthew C. Cambria, Hong Ming Lim, Shimon Kolkowitz
Tags
gravitational redshift
atomic ensembles
differential clock comparisons
geodesy
gravitational wave detection
frequency gradient
laboratory test

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