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We propose a simple dissipative system with purely cubic defocusing nonlinearity and nonuniform linear gain that can support stable localized dissipative vortex solitons with high topological charges without the utilization of competing…

Optics · Physics 2024-05-24 Chunyan Li , Yaroslav V. Kartashov

We show that the decay of a soliton into vortices provides a mechanism for measuring the initial phase difference between two merging Bose-Einstein condensates. At very low temperatures, the mechanism is resonant, operating only when the…

Other Condensed Matter · Physics 2010-06-11 R. G. Scott , T. E. Judd , T. M. Fromhold

Exploration of the impact of synthetic material landscapes featuring tunable geometrical properties on physical processes is a research direction that is currently of great interest because of the outstanding phenomena that are continually…

We investigate the formation of a new class of density-phase defects in a resonantly driven 2D quantum fluid of light. The system bistability allows the formation of low density regions containing density-phase singularities confined…

Mesoscale and Nanoscale Physics · Physics 2020-01-30 S. V. Koniakhin , O. Bleu , D. D. Stupin , S. Pigeon , A. Maitre , F. Claude , G. Lerario , Q. Glorieux , A. Bramati , D. Solnyshkov , G. Malpuech

In order to study the rotating strongly coupled Bose-Einstein condensations(BEC), a holographic model defined in an AdS black hole that duals to a coupled two-component condensations in global $U(1)$ symmetry broken phase with…

Quantum Gases · Physics 2020-08-26 Wei-Can Yang , Chuan-Yin Xia , Muneto Nitta , Hua-Bi Zeng

We suggest the possibility of observing and studying bright vortex solitons in attractive Bose-Einstein condensates in three dimensions with a radial trap. Such systems lie on the verge of critical stability and we discuss the conditions of…

Soft Condensed Matter · Physics 2009-11-10 Sadhan K. Adhikari

A convenient method to create vortices in meta-stable vortex-free superflow of 3He-B is to irradiate with thermal neutrons. The vortices are then formed in a rapid non-equilibrium process with very distinctive characteristics. Two models…

Soft Condensed Matter · Physics 2009-11-10 A. P. Finne , S. Boldarev , V. B. Eltsov , M. Krusius

We find a new type of optical vector soliton that originates from trapping of a dipole mode by a soliton-induced waveguide. These solitons, which appear as a consequence of the vector nature of the two component system, are more stable than…

We theoretically explore the transfer of vortex states between atomic Bose-Einstein condensates and optical pulses using ultra-slow and stopped light techniques. We find shining a coupling laser on a rotating two-component ground state…

Soft Condensed Matter · Physics 2009-11-10 Zachary Dutton , Janne Ruostekoski

Superconducting vortices can reveal electron pairing details and nucleate topologically protected states. Yet, vortices of bulk spin-triplet superconductors have never been visualized. Recently, UTe$_2$ has emerged as a nominative…

We propose and analyze a mechanism for Bose-Einstein condensation of stationary dark-state polaritons. Dark-state polaritons (DSPs) are formed in the interaction of light with laser-driven 3-level Lambda-type atoms and are the basis of…

Quantum Physics · Physics 2009-11-13 Michael Fleischhauer , Johannes Otterbach , Razmik G. Unanyan

We investigate the formation of vortices in quasi-two-dimensional dipolar Bose-Einstein Condensates (BECs) through the interplay between two-body contact and long-ranged dipole-dipole interactions (DDIs), as both interactions can be tuned…

Quantum Gases · Physics 2025-04-15 S. Sabari , R. Sasireka , R. Radha , A. Uthayakumar , L. Tomio

We study coherent and incoherent interactions between discrete vortex and fundamental solitons in two-dimensional photonic lattices, presenting a new scheme for all-optical routings and topological transformations of vorticities. Due to the…

Optics · Physics 2015-06-17 Xuetao Gan , Peng Zhang , Sheng Liu , Fajun Xiao , Jianlin Zhao

Vortex coherent structures on arrays of nonlinear oscillators joined by weak links into topologically nontrivial two-dimensional discrete manifolds have been theoretically studied. A circuit of nonlinear electric oscillators coupled by…

Pattern Formation and Solitons · Physics 2020-07-01 Victor P. Ruban

We show that the dynamics of cold bosonic atoms in a two-dimensional square optical lattice produced by a bichromatic light-shift potential is described by a Bose-Hubbard model with an additional effective staggered magnetic field. In…

Quantum Gases · Physics 2009-11-13 Lih-King Lim , C. Morais Smith , Andreas Hemmerich

Coupled solitary waves in optics literature, are coined vector solitons to reflect their particle-like nature that remains intact even after mutual collisions. They are born from a nonlinear change in the refractive index of an optical…

Optics · Physics 2022-06-23 Finn Buldt , Pascal Basséne , Moussa N'Gom

We study fundamental and compound gap solitons (GSs) of matter waves in one-dimensional (1D) optical lattices (OLs) in a three-dimensional (3D) weak-radial-confinement regime, which corresponds to realistic experimental conditions in…

Quantum Gases · Physics 2019-06-05 A. Muñoz Mateo , V. Delgado , Boris A. Malomed

We discuss an experimental scheme to create a low-dimensional gas of ultracold atoms, based on inelastic bouncing on an evanescent-wave mirror. Close to the turning point of the mirror, the atoms are transferred into an optical dipole trap.…

Quantum Physics · Physics 2009-10-31 R. J. C. Spreeuw , D. Voigt , B. T. Wolschrijn , H. B. van Linden van den Heuvell

The vortex system in a high-T_c superconductor has been studied numerically using the mapping to 2D bosons and the path-integral Monte Carlo method. We find a single first-order transition from an Abrikosov lattice to an entangled vortex…

Superconductivity · Physics 2009-10-28 Henrik Nordborg , Gianni Blatter

Five-component minimum-energy bound states and mobile vector solitons of a spin-orbit-coupled quasi-one-dimensional hyperfine-spin-2 Bose-Einstein condensate are studied using the numerical solution and variational approximation of a…

Quantum Gases · Physics 2015-07-21 Sandeep Gautam , S. K. Adhikari
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