Staggered and short-period solutions of the saturable discrete nonlinear Schrodinger equation

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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We point out that the nonlinear Schrodinger lattice with a saturable nonlinearity also admits staggered periodic aswell as localized pulse-like solutions. Further, the same model also admits solutions with a short period. We examine the stability of these solutions and find that the staggered as well as the short-period solutions are stable in most cases. We also show that the effective Peierls-Nabarro barrier for the pulse-like soliton solutions is zero.
Original languageEnglish
JournalJournal of Physics A: Mathematical and Theoretical (Print Edition)
Publication date2009
Volume42
Issue8
ISSN1751-8113
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 5
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