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- W2884148980 abstract "We apply the variational approximation to study the dynamics of solitary waves of the nonlinear Schrödinger equation with compensative cubic‐quintic nonlinearity for asymmetric 2‐dimension setup. Such an approach allows to study the behavior of the solitons trapped in quasisymmetric potentials without an axial symmetry. Our analytical consideration allows finding the soliton profiles that are stable in a quasisymmetric geometry. We show that small perturbations of such states lead to generation of the oscillatory‐bounded solutions having 2 independent eigenfrequencies relating to the quintic nonlinear parameter. The behavior of solutions with large amplitudes is studied numerically. The resonant case when the frequency of the time variations (time managed) potential is near of the eigenfrequencies is studied too. In a resonant situation, the solitons acquire a weak time decay." @default.
- W2884148980 created "2018-08-03" @default.
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- W2884148980 date "2018-07-12" @default.
- W2884148980 modified "2023-09-24" @default.
- W2884148980 title "The variational approximation for 2‐dimension solitons at cubic‐quintic nonlinearity in quasiperiodic potentials" @default.
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- W2884148980 doi "https://doi.org/10.1002/mma.5076" @default.
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