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Conferences > QUANTUM > 2020 > QW4A > QW4A.2

Transportable Optical Lattice Clocks to Test Gravitational Redshift

Hidetoshi Katori, Ichiro Ushijima, Noriaki Ohmae, and Masao Takamoto

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Abstract

We developed a pair of transportable optical lattice clocks and conducted an 18-digit-precision frequency comparison in a broadcasting tower to give a height difference of 450 m, which tested the gravitational redshift at 10-5 level.

© 2020 The Author(s)

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