Effect of nonlocal dispersion on self-interacting excitations.

Peter Leth Christiansen, Kim Rasmussen, Yu.B. Gaididei, S.F. Mingaleev

    Research output: Contribution to journalJournal articleResearchpeer-review


    The dynamics of self-interacting quasiparticles in 1Dsystems with long-range dispersive interactions isexpressed in terms of a nonlocal nonlinear Schrödingerequation. Two branches of stationary solutions are found.The new branch which contains a cusp soliton is shown to beunstable and blowup is observed. Moving solitons radiatewith a wavelength proportional to the velocity.
    Original languageEnglish
    JournalPhysics Letters A
    Pages (from-to)152-156
    Publication statusPublished - 1996


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