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Symmetry breaking in dipolar matter-wave solitons in dual-core couplers
Yongyao Li, Jingfeng Liu, Wei Pang +1
We study effects of the spontaneous symmetry-breaking (SSB) in solitons built of the dipolar Bose-Einstein condensate (BEC), trapped in a dual-core system with the dipole-dipole in…
Composite vortices in nonlinear circular waveguide arrays
Daniel Leykam, Boris Malomed, Anton S. Desyatnikov
It is known that, in continuous media, composite solitons with hidden vorticity, which are built of two mutually symmetric vortical components whose total angular momentum is zero,…
Stable dark solitons in PT-symmetric dual-core waveguides
Yuliy V. Bludov, Vladimir V. Konotop, Boris A. Malomed
We construct dark solitons in the recently introduced model of the nonlinear dual-core coupler with the mutually balanced gain and loss applied to the two cores, which is a realiza…
Asymmetric solitons and domain walls supported by inhomogeneous defocusing nonlinearity
Yaroslav V. Kartashov, Valery E. Lobanov, Boris A. Malomed +1
We show that an inhomogeneous defocusing nonlinearity that grows toward the periphery in the positive and negative transverse directions at different rates can support strongly asy…
Quenched dynamics of two-dimensional solitons and vortices in the Gross-Pitaevskii equation
Qian-Yong Chen, P. G. Kevrekidis, Boris A. Malomed
We consider a two-dimensional (2D) counterpart of the experiment that led to the creation of quasi-1D bright solitons in Bose-Einstein condensates (BECs) [Nature 417, 150--153 (200…
Symbiotic two-component gap solitons
Athikom Roeksabutr, Thawatchai Mayteevarunyoo, Boris A. Malomed
We consider a two-component one-dimensional model of gap solitons (GSs), which is based on two nonlinear Schrödinger equations, coupled by repulsive XPM (cross-phase-modulation) te…