Existence, Stability & Dynamics of Nonlinear Modes in a 2d Partially PT\mathcal{PT} Symmetric Potential

preprint2017arXivOpen access

Abstract

It is known that multidimensional complex potentials obeying PT\mathcal{PT}-symmetry may possess all real spectra and continuous families of solitons. Recently it was shown that for multi-dimensional systems these features can persist when the parity symmetry condition is relaxed so that the potential is invariant under reflection in only a single spatial direction. We examine the existence, stability and dynamical properties of localized modes within the cubic nonlinear Schrödinger equation in such a scenario of partially PT\mathcal{PT}-symmetric potential.

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