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Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05240-x
Abstract: Competing nonlinearities, such as the cubic (Kerr) and quintic nonlinear terms whose strengths are of opposite signs (the coefficients in front of the nonlinearities), exist in various physical media (in particular, in optical and matter-wave…
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Keywords:
cubic quintic;
gap;
gap solitons;
one dimensional ... See more keywords
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Published in 2019 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2019.121344
Abstract: Abstract The dynamical stability properties of gap solitons in a quasi-one-dimensional Bose–Einstein Condensate (BEC) loaded in a Jacobian elliptic sine potential are investigated numerically. The Gross–Pitaevskii equation (GPE) is adopted to describe the dynamical behaviors…
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Keywords:
gap;
bose einstein;
solitons quasi;
dynamical stability ... See more keywords
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Published in 2018 at "Chinese Physics B"
DOI: 10.1088/1674-1056/27/6/060307
Abstract: We comprehensively investigate the nontrivial states of interacting Bose system in one-dimensional optical superlattices under the open boundary condition. Our results show that there exists a kind of stable localized states: edge gap solitons. We…
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Keywords:
edge gap;
one dimensional;
gap solitons;
topologically protected ... See more keywords
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Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac009d
Abstract: We investigate the existence and dynamical stability of multipole gap solitons in Bose–Einstein condensate loaded in a deformed honeycomb optical lattice. Honeycomb lattices possess a unique band structure, the first and second bands intersect at…
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Keywords:
honeycomb optical;
gap solitons;
solitons bose;
bose einstein ... See more keywords
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Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.033838
Abstract: We report the role of $\mathcal{PT}$-symmetry in switching characteristics of a highly nonlinear fiber Bragg grating (FBG) with cubic-quintic-septic nonlinearities. We demonstrate that the device shows novel bi-(multi-) stable states in the broken regime as…
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Keywords:
stable states;
multifaceted dynamics;
gain loss;
dynamics gap ... See more keywords
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Published in 2017 at "Physical Review E"
DOI: 10.1103/physreve.96.022214
Abstract: We study analytically and numerically envelope solitons (bright and gap solitons) in a one-dimensional, nonlinear acoustic metamaterial, composed of an air-filled waveguide periodically loaded by clamped elastic plates. Based on the transmission line approach, we…
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Keywords:
bright gap;
gap solitons;
membrane type;
type acoustic ... See more keywords
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Published in 2018 at "Physical Review E"
DOI: 10.1103/physreve.97.032212
Abstract: We show that dark spatial gap solitons can occur inside the band gap of an exciton-polariton condensate (EPC) in a one-dimensional periodic potential. The energy dispersions of an EPC loaded into a periodic potential show…
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Keywords:
gap;
dark gap;
gap solitons;
exciton polariton ... See more keywords
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Published in 2022 at "Optics letters"
DOI: 10.1364/ol.453604
Abstract: This paper numerically investigates the evolution of solitons in an optical lattice with gradual longitudinal manipulation. We find that the stationary solutions (with added noise to the amplitude) keep their width, profile, and intensity very…
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Keywords:
paths gap;
gap solitons;
propagation paths;
propagation ... See more keywords