Applied Physics B

, 125:187 | Cite as

Full elimination of the gravity-gradient terms in atom interferometry

  • B. Dubetsky


The A. Roura technique was modified to eliminate all terms in the phase of the atom interferometer that are linear in the gravity-gradient tensor. Full elimination occurs when the wave vectors of all Raman pulses change slightly. The full elimination technique would allow to relieve synchronization requirements when testing the Einstein equivalence principle. This technique also eliminates the systematic error of the absolute measurement of the gravitational field, which is due to the gravitational gradient. The error becomes three orders less and does not depend on the delay time between Raman pulses. In addition, a new differential scheme is proposed to observe the gravity-gradient term, independent on the atomic initial position and velocity.



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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Hallandale BeachUSA

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