Solitons and Josephson-type oscillations in Bose-Einstein condensates with spin-orbit coupling and time-varying Raman frequency

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUzbekistan Academy of Sciences-
Autor(es): dc.contributorUniversidade Federal do ABC (UFABC)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorCTA-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorAbdullaev, F. Kh-
Autor(es): dc.creatorBrtka, M.-
Autor(es): dc.creatorGammal, A.-
Autor(es): dc.creatorTomio, Lauro-
Data de aceite: dc.date.accessioned2025-08-21T16:08:51Z-
Data de disponibilização: dc.date.available2025-08-21T16:08:51Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2018-05-17-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.97.053611-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/228546-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/228546-
Descrição: dc.descriptionThe existence and dynamics of solitons in quasi-one-dimensional Bose-Einstein condensates with spin-orbit coupling (SOC) and attractive two-body interactions are described for two coupled atomic pseudospin components with slowly and rapidly varying time-dependent Raman frequency. By varying the Raman frequency linearly in time, it was shown that ordinary nonlinear Schrödinger-type bright solitons can be converted to striped bright solitons, and vice versa. The internal Josephson oscillations between atom number of the coupled soliton components and the corresponding center-of-mass motion are studied for different parameter configurations. In this case, a mechanism to control the soliton parameters is proposed by considering parametric resonances, which can emerge when using time-varying Raman frequencies. Full-numerical simulations confirm variational analysis predictions when applied to the region where regular solitons are expected. In the limit of high frequencies, the system is described by a time-averaged Gross-Pitaevskii formalism with renormalized nonlinear and SOC parameters and modified phase-dependent nonlinearities. By comparing full-numerical simulations with averaged results, we have also studied the lower limits for the frequency of Raman oscillations in order to obtain stable soliton solutions.-
Descrição: dc.descriptionPhysical-Technical Institute Uzbekistan Academy of Sciences, Bodomzor yuli 2-b-
Descrição: dc.descriptionCCNH e CMCC Universidade Federal Do ABC-
Descrição: dc.descriptionInstituto de Física Universidade de São Paulo-
Descrição: dc.descriptionInstituto Tecnológico de Aeronáutica CTA-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review A-
???dc.source???: dc.sourceScopus-
Título: dc.titleSolitons and Josephson-type oscillations in Bose-Einstein condensates with spin-orbit coupling and time-varying Raman frequency-
Tipo de arquivo: dc.typelivro digital-
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