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We numerically investigate vortex lattices in rotating two-component Bose-Einstein condensates in which the two components have unequal atomic masses and interact attractively with each other. For sufficiently strong attraction, the system…

量子气体 · 物理学 2012-06-13 Pekko Kuopanportti , Jukka A. M. Huhtamäki , Mikko Möttönen

We review the topic of quantized vortices in multicomponent Bose-Einstein condensates of dilute atomic gases, with an emphasis on that in two-component condensates. First, we review the fundamental structure, stability and dynamics of a…

其他凝聚态物理 · 物理学 2009-11-11 Kenichi Kasamatsu , Makoto Tsubota , Masahito Ueda

The vortex-vortex interaction in two-component Bose-Einstein condensates is shown to present characteristic effects not possible in single-component condensates. In particular, vortices in different components undergo separate, but…

软凝聚态物质 · 物理学 2015-06-24 P. Ohberg , L. Santos

In contrast to one-component Bose-Einstein condensate case, the vortices in two-component condensate can have various complicated structures. The vortices in a space-homogeneous Bose-Einstein condensate have been studied in this paper. It…

量子气体 · 物理学 2015-03-03 Anatoly P. Ivashin , Yuri M. Poluektov

We study vortex dynamics in trapped two-component Bose-Einstein condensates with a laser- induced spin-orbit coupling using the numerical analysis of the Gross-Pitaevskii equation. The spin-orbit coupling leads to three distinct ground…

量子气体 · 物理学 2015-12-09 Kenichi Kasamatsu

Three-dimensional solitary and vortex structures in Bose-Einstein condensates are studied in the framework of Gross-Pitaevskii model including the simultaneous action of local cubic-quintic nonlinearity and nonlocal dipole-dipole…

斑图形成与孤子 · 物理学 2009-11-13 Yu. A. Zaliznyak , A. I. Yakimenko

We study the ground states of rotating atomic Bose-Einstein condensates with dipolar interactions. We present the results of numerical studies on a periodic geometry which show vortex lattice ground states of various symmetries: triangular…

介观与纳米尺度物理 · 物理学 2015-06-25 S. Komineas , N. R. Cooper

In this work we consider vortex lattices in rotating Bose-Einstein Condensates composed of two species of bosons having different masses. Previously [1] it was claimed that the vortices of the two species form bound pairs and the two vortex…

量子气体 · 物理学 2012-02-22 Ryan Barnett , Edward Chen , Gil Refael

We consider a rapidly rotating two-component Bose-Einstein condensate with short-range s-wave interactions as well as dipolar coupling. We calculate the phase diagram of vortex lattice structures as a function of the intercomponent s-wave…

量子气体 · 物理学 2015-06-18 N. Ghazanfari , A. Keleş , M. Ö. Oktel

We investigate the structure of vortex states in rotating two-component Bose-Einstein condensates with equal intracomponent but varying intercomponent coupling constants. A phase diagram in the intercomponent-coupling versus…

凝聚态物理 · 物理学 2009-11-10 Kenichi Kasamatsu , Makoto Tsubota , Masahito Ueda

We investigate the effects of vortex interaction on the formation of interference patterns in a coherent pair of two-dimensional Bose condensed clouds of ultra-cold atoms traveling in opposite directions subject to a harmonic trapping…

量子气体 · 物理学 2014-12-15 Tao Yang , Andrew J. Henning , Keith A. Benedict

The structure and stability of vortices in hybrid atomic-molecular Bose-Einstein condensates is analyzed in the framework of a two-component Gross-Pitaevskii-type model that describes the stimulated Raman-induced photoassociation process.…

凝聚态物理 · 物理学 2009-11-07 Tristram J. Alexander , Yuri S. Kivshar , Elena A. Ostrovskaya , Paul S. Julienne

We study the interaction and dynamics of two half-quantized vortices in two-component Bose- Einstein condensates. Using the Pade approximation for the vortex core profile, we calculate the intervortex potential, whose asymptotic form for a…

量子气体 · 物理学 2016-01-26 Kenichi Kasamatsu , Minoru Eto , Muneto Nitta

We study the influence of dipole-dipole interaction on the formation of vortices in a rotating dipolar Bose-Einstein condensate (BEC) of $^{52}$Cr and $^{164}$Dy atoms in quasi two-dimensional geometry. By numerically solving the…

量子气体 · 物理学 2012-10-02 R. Kishor Kumar , P. Muruganandam

We study the stability of vortices in a binary system of Bose-Einstein condensates, with their wave functions modeled by a set of coupled, time-dependent Gross-Pitaevskii equations. Beginning with an effective two-dimensional system, we…

量子气体 · 物理学 2025-01-13 Ajay Srinivasan , Aaron Wirthwein , Stephan Haas

We have created vortices in two-component Bose-Einstein condensates. The vortex state was created through a coherent process involving the spatial and temporal control of interconversion between the two components. Using an interference…

凝聚态物理 · 物理学 2009-10-31 M. R. Matthews , B. P. Anderson , P. C. Haljan , D. S. Hall , C. E. Wieman , E. A. Cornell

We investigate vortex states of immiscible two-component Bose-Einstein condensates under rotation through numerical simulations of the coupled Gross-Pitaevskii equations. For strong intercomponent repulsion, the two components undergo phase…

其他凝聚态物理 · 物理学 2009-11-13 Kenichi Kasamatsu , Makoto Tsubota

We study the dynamics of a single and a pair of vortices in quasi two-dimensional Bose-Einstein condensates at finite temperatures. We use the stochastic Gross-Pitaevskii equation, which is the Langevin equation for the Bose-Einstein…

量子气体 · 物理学 2014-02-04 S. Gautam , Arko Roy , Subroto Mukerjee

We review the theory of vortices in trapped dilute Bose-Einstein condensates and compare theoretical predictions with existing experiments. Mean-field theory based on the time-dependent Gross-Pitaevskii equation describes the main features…

统计力学 · 物理学 2009-11-07 Alexander Fetter , Anatoly Svidzinsky

Vortex lattices in rapidly rotating Bose--Einstein condensates are systems of topological excitations that arrange themselves into periodic patterns. Here we show how phase-imprinting techniques can be used to create a controllable number…

量子气体 · 物理学 2016-11-08 Lee James O'Riordan , Thomas Busch
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