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Ratchet effect for cold atoms in an optical lattice | Emil Lundh
; Mats Wallin
; | Date: |
25 Mar 2005 | Journal: | Phys Rev Lett, 94 (11), 110603 | Abstract: | The possibility of realizing a directed current for a quantum particle in a flashing asymmetric potential is investigated. It is found that quantum resonances, where the value of the effective Planck constant is equal to an integer or half-integer multiple of pi, give rise to a directed current. The effect should be readily observable in experiments. | Source: | PubMed, pmid15903839 | Other source: | [GID 970469] cond-mat/0409185 | Services: | Forum | Review | Favorites |
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