Measurement of the difference in the Earth’s gravitational potentials with the help of a transportable quantum clock

The results of the Russia’s first ground-based experiment for determination of the difference in the Earth’s gravitational potentials on the basis of the measurement of the gravitational effect of the time delay with the help of a high-stability transportable atomic clock are provided. The reference...

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Bibliographic Details
Published in:Doklady earth sciences 2017, Vol.472 (1), p.91-94
Main Authors: Fateev, V. F., Zharikov, A. I., Sysoev, V. P., Rybakov, E. A., Smirnov, F. R.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Geophysics
Gravitational waves
Gravity effects
Mountains
Quantum physics
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Summary:The results of the Russia’s first ground-based experiment for determination of the difference in the Earth’s gravitational potentials on the basis of the measurement of the gravitational effect of the time delay with the help of a high-stability transportable atomic clock are provided. The reference atomic clock was placed in Moscow oblast, and a transportable quantum clock with an instability of 3 × 10 –15 was placed in the Caucasus Mountains, with a difference in height of the clocks of 1804 m. The measured difference in the gravitational potentials between the positions of the two quantum clocks was (182.0 ± 3.1)10 2 m 2 s -2 at a relative measurement error of no more than 1.7%.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X17010147