Phase-separated vortex-lattice in a rotating binary Bose–Einstein condensate
dc.contributor.author | Adhikari, S. K. [UNESP] | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2019-10-06T16:08:20Z | |
dc.date.available | 2019-10-06T16:08:20Z | |
dc.date.issued | 2019-06-15 | |
dc.description.abstract | We study circularly-symmetric phase separation of vortex lattices in a rapidly rotating harmonically-trapped quasi-two-dimensional binary Bose–Einstein condensate (BEC) by introducing a weak quartic trap in one of the components. The increase of the rotational frequency in such a system is also found to generate a phase separation of the vortex lattices of an overlapping non-rotating BEC. The phase-separated vortex lattices have different structures for a binary BEC with inter-species repulsion and inter-species attraction. In the former case of a fully repulsive binary BEC, the phase separation of the vortex-lattices is accompanied by a complete phase separation of component densities. In the latter case of inter-species attraction, there is a partial phase separation of component densities, although there could be a complete phase separation of the generated vortex lattices in the two components. In the case of inter-species attraction, we need to have different intra-species repulsion in the two components for an efficient phase separation. We compare and contrast our results with the phase separation obtained in a harmonically-trapped binary BEC without any quartic trap. | en |
dc.description.affiliation | Instituto de Física Teórica UNESP - Universidade Estadual Paulista, 01.140-070 São Paulo | |
dc.description.affiliationUnesp | Instituto de Física Teórica UNESP - Universidade Estadual Paulista, 01.140-070 São Paulo | |
dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | |
dc.description.sponsorshipId | FAPESP: 2016/01343-7 | |
dc.format.extent | 212-219 | |
dc.identifier | http://dx.doi.org/10.1016/j.cnsns.2018.11.019 | |
dc.identifier.citation | Communications in Nonlinear Science and Numerical Simulation, v. 71, p. 212-219. | |
dc.identifier.doi | 10.1016/j.cnsns.2018.11.019 | |
dc.identifier.issn | 1007-5704 | |
dc.identifier.scopus | 2-s2.0-85057793064 | |
dc.identifier.uri | http://hdl.handle.net/11449/188446 | |
dc.language.iso | eng | |
dc.relation.ispartof | Communications in Nonlinear Science and Numerical Simulation | |
dc.rights.accessRights | Acesso aberto | |
dc.source | Scopus | |
dc.subject | Gross–Pitaevskii equation | |
dc.subject | Rotating Bose–Einstein condensate | |
dc.subject | Split-step Crank–Nicolson scheme | |
dc.subject | Vortex lattice | |
dc.title | Phase-separated vortex-lattice in a rotating binary Bose–Einstein condensate | en |
dc.type | Artigo |