4.8 Article

Gating ratchet for cold atoms

Journal

PHYSICAL REVIEW LETTERS
Volume 100, Issue 4, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.100.040603

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Funding

  1. Engineering and Physical Sciences Research Council [GR/T08951/01] Funding Source: researchfish

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We demonstrate experimentally a gating ratchet with cold rubidium atoms in a driven near-resonant optical lattice. A single-harmonic periodic modulation of the optical potential depth is applied, together with a single-harmonic rocking force. Directed motion is observed as a result of the breaking of the symmetries of the system.

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