Weakly driven quantum coherent ratchets in cold-atom systems
| dc.contributor.author | Heimsoth, M. | |
| dc.contributor.author | Creffield, Charles | |
| dc.contributor.author | Sols Lucía, Fernando | |
| dc.date.accessioned | 2023-06-20T03:57:47Z | |
| dc.date.available | 2023-06-20T03:57:47Z | |
| dc.date.issued | 2010-08-12 | |
| dc.description | ©2010 The American Physical Society. This work was supported by MICINN (Spain), through Grant No. FIS-2007-65723 and the Ramón y Cajal Program (CEC). | |
| dc.description.abstract | We present an analytical study of the response of cold atoms in an optical lattice to a weak time- and space-asymmetric periodic driving signal. In the noninteracting limit, and for a finite set of resonant frequencies, we show how a coherent, long-lasting ratchet current results from the interference between first- and second-order processes. In those cases, a suitable three- level model can account for the entire dynamics, yielding surprisingly good agreement with numerically exact results for weak and moderately strong driving. | |
| dc.description.department | Depto. de Física de Materiales | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | MICINN, Spain | |
| dc.description.sponsorship | Ramón y Cajal Program (CEC) | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/32950 | |
| dc.identifier.doi | 10.1103/PhysRevA.82.023607 | |
| dc.identifier.issn | 1050-2947 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1103/PhysRevA.82.023607 | |
| dc.identifier.relatedurl | http://journals.aps.org | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/44731 | |
| dc.issue.number | 2 | |
| dc.journal.title | Physical review A | |
| dc.language.iso | eng | |
| dc.publisher | American Physical Society | |
| dc.relation.projectID | FIS-2007-65723 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 538.9 | |
| dc.subject.keyword | Brownian motors | |
| dc.subject.keyword | Transport | |
| dc.subject.ucm | Física de materiales | |
| dc.subject.ucm | Física del estado sólido | |
| dc.subject.unesco | 2211 Física del Estado Sólido | |
| dc.title | Weakly driven quantum coherent ratchets in cold-atom systems | |
| dc.type | journal article | |
| dc.volume.number | 82 | |
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| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | 3b58cb19-3165-4b80-a65d-1e03b90ebf64 | |
| relation.isAuthorOfPublication | 6e3dc402-4876-48e1-8419-10b3f44303a5 | |
| relation.isAuthorOfPublication.latestForDiscovery | 6e3dc402-4876-48e1-8419-10b3f44303a5 |
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