Sensitive measurement of forces at the micron scale using Bloch oscillations of ultracold atoms |
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Authors: | Carusotto I Pitaevskii L Stringari S Modugno G Inguscio M |
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Institution: | Istituto Nazionale per Fisica per la Materia BEC-CRS and Dipartimento di Fisica, Universitá di Trento, I-38050 Povo, Italy. |
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Abstract: | We show that Bloch oscillations of ultracold fermionic atoms in the periodic potential of an optical lattice can be used for a sensitive measurement of forces at the micrometer length scale, e.g., in the vicinity of a dielectric surface. In particular, the proposed approach allows us to perform a local and direct measurement of the Casimir-Polder force which is, for realistic experimental parameters, as large as 10(-4) gravity. |
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