Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/15242
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dc.contributor.authorAghamalyan, Davit-
dc.contributor.authorAmico, Luigi-
dc.contributor.authorKwek, Leong Chuan-
dc.date.accessioned2014-03-31T05:57:08Z-
dc.date.available2014-03-31T05:57:08Z-
dc.date.issued2013-
dc.identifier.citationAghamalyan, D., Amico, L., & Kwek, L. C. (2013). Effective dynamics of cold atoms flowing in two ring-shaped optical potentials with tunable tunneling. Physical Review A, 88(6), 063627. https://doi.org/10.1103/PhysRevA.88.063627en
dc.identifier.issn1050-2947-
dc.identifier.urihttp://hdl.handle.net/10497/15242-
dc.description.abstractWe study the current dynamics of coupled atomic condensates flowing in two ring-shaped optical potentials. We provide a specific setup where the ring-ring coupling can be tuned in an experimentally feasible way. It is demonstrated that the imaginary time effective action of the system in a weak coupling regime provides a two-level-system dynamics for the phase slip across the two rings. Through two-mode Gross- Pitaevskii mean-field equations, the real-time dynamics of the population imbalance and the phase difference between the two condensates is thoroughly analyzed analytically, as a function of the relevant physical parameters of the system. In particular, we find that the macroscopic quantum self-trapping phenomenon is induced in the system if the flowing currents assume a nonvanishing difference.en
dc.language.isoenen
dc.rightsCopyright protected. Permission to publish required.-
dc.titleEffective dynamics of cold atoms flowing in two ring-shaped optical potentials with tunable tunnelingen
dc.typeArticleen
dc.identifier.doi10.1103/PhysRevA.88.063627-
local.message.claim2021-12-22T11:17:05.052+0800|||rp00041|||submit_approve|||dc_contributor_author|||None*
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith file-
item.languageiso639-1en-
item.openairetypeArticle-
item.grantfulltextOpen-
item.cerifentitytypePublications-
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