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cond-mat.quant-gas2022★ 4 cited
Dynamical Instability of 3d Stationary and Traveling Planar Dark Solitons
T. Mithun, A. R. Fritsch, I. B. Spielman +1
Here we revisit the topic of stationary and propagating solitonic excitations in self-repulsive three-dimensional Bose-Einstein condensates by quantitatively comparing theoretical…
nlin.PS2022★ 2 cited
Revisiting Multi-breathers in the discrete Klein-Gordon equation: A Spatial Dynamics Approach
Ross Parker, Jesús Cuevas-Maraver, P. G. Kevrekidis +1
We consider the existence and spectral stability of multi-breather structures in the discrete Klein-Gordon equation, both for soft and hard symmetric potentials. To obtain analytic…