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Atoms 2016, 4(3), 23; doi:10.3390/atoms4030023

Scalar Aharonov–Bohm Phase in Ramsey Atom Interferometry under Time-Varying Potential

1
Faculty of Science and Technology, Tokyo University of Science, Chiba 278-8510, Japan
2
National Metrology Institute of Japan, Ibaraki 305-8563, Japan
3
NTT Basic Research laboratories, Kanagawa 243-0198, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: A. Kumarakrishnan and Dallin S. Durfee
Received: 23 February 2016 / Revised: 26 July 2016 / Accepted: 28 July 2016 / Published: 2 August 2016
(This article belongs to the Special Issue Atom Interferometry)
View Full-Text   |   Download PDF [2555 KB, uploaded 2 August 2016]   |  

Abstract

In a Ramsey atom interferometer excited by two electromagnetic fields, if atoms are under a time-varying scalar potential during the interrogation time, the phase of the Ramsey fringes shifts owing to the scalar Aharonov–Bohm effect. The phase shift was precisely examined using a Ramsey atom interferometer with a two-photon Raman transition under the second-order Zeeman potential, and a formula for the phase shift was derived. Using the derived formula, the frequency shift due to the scalar Aharonov–Bohm effect in the frequency standards utilizing the Ramsey atom interferometer was discussed. View Full-Text
Keywords: Ramsey atom interferometer; scalar Aharonov–Bohm phase; frequency standard Ramsey atom interferometer; scalar Aharonov–Bohm phase; frequency standard
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Morinaga, A.; Murakami, M.; Nakamura, K.; Imai, H. Scalar Aharonov–Bohm Phase in Ramsey Atom Interferometry under Time-Varying Potential. Atoms 2016, 4, 23.

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