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Superfluid in helical container as a sensor of metric disturbances

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Abstract

Gravitational waves emitted by coalescent black holes produce tiny changes of space intervals. Current experimental sensitivity of long base laser interferometers [1] offers a possibility to detect strains of the order of 10−21Hz1/2 [2]. Next generation of LIGO/LISA detectors [3] is expected to be a matter wave interferometers known currently as a sensors of gravity, rotations and magnetic fields. The inherent advantage of atomic interferometers compared to optical Sagnac [4] and Michelson [1] sensors is of the order of ratio of the atomic rest mass to photon energy mc2/ℏω ~ 1010. This feature had been demonstrated for atomic Mach-Zehnder and Sagnac configurations.

© 2016 Optical Society of America

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