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Lattice solitons with quadrupolar intersite interactions
Yongyao Li, Jingfeng Liu, Wei Pang +1
We study two-dimensional (2D) solitons in the mean-field models of ultracold gases with long-range quadrupole-quadrupole interaction (QQI) between particles. The condensate is load…
Soliton gyroscopes in media with spatially growing repulsive nonlinearity
Rodislav Driben, Yaroslav V. Kartashov, Boris A. Malomed +2
We find that the recently introduced model of self-trapping supported by a spatially growing strength of a repulsive nonlinearity gives rise to robust vortex-soliton tori, i.e., th…
Holding spatial solitons in a pumped cavity with the help of nonlinear potentials
Or Maor, Nir Dror, Boris A. Malomed
We introduce a one-dimensional model of a cavity with the Kerr nonlinearity and saturated gain, designed so as to keep solitons in the state of shuttle motion. The solitons are alw…
Stability boundaries and collisions of two-dimensional solitons in PT-symmetric couplers with the cubic-quintic nonlinearity
Gennadiy Burlak, Boris A. Malomed
We introduce one- and two-dimensional (1D and 2D) models of parity-time () -symmetric couplers with the mutually balanced linear gain and loss applied to the two co…
Matter-wave solitons supported by field-induced dipole-dipole repulsion with a spatially modulated strength
Yongyao Li, Jingfeng Liu, Wei Pang +1
We demonstrate the existence of one and two-dimensional bright solitons in the Bose-Einstein condensate with repulsive dipole-dipole interactions induced by a combination of dc and…
Buffering and Trapping Ultrashort Optical Pulses in Concatenated Bragg Gratings
Shenhe Fu, Yikun Liu, Yongyao Li +4
Strong retardation of ultrashort optical pulses, including their deceleration and stoppage in the form of Bragg solitons in a cascaded Bragg-grating (BG) structure, is proposed. Th…