Effect of nonlocal dispersion on self-interacting excitations
Y. B. Gaididei, S. F. Mingaleev, P. L. Christiansen, and K. O. Rasmussen,
Phys. Lett. A 222, 152-156 (1996).
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Abstract: The dynamics of self-interacting quasiparticles in ID systems with long-range dispersive interactions is expressed in terms of a nonlocal nonlinear Schrodinger equation. Two branches of stationary solutions are found. We new branch which contains a cusp soliton is shown to be unstable and blowup is observed. Moving solitons radiate with a wavelength proportional to the velocity.
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