Sensitive measurement of forces at the micron scale using bloch oscillations of ultracold atoms

  • Carusotto I
  • Pitaevskii L
  • Stringari S
 et al. 
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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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  • I. Carusotto

  • L. Pitaevskii

  • S. Stringari

  • G. Modugno

  • M. Inguscio

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