Two-dimensional nonlocal multisolitons
| Autor: | V M Lashkin, O. O. Prikhodko, Alexander Yakimenko |
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| Rok vydání: | 2007 |
| Předmět: |
Condensed Matter::Quantum Gases
Physics FOS: Physical sciences General Physics and Astronomy Pattern Formation and Solitons (nlin.PS) Nonlinear Sciences - Pattern Formation and Solitons Stability (probability) symbols.namesake Nonlinear system Quantum nonlocality Dipole Quantum mechanics Bound state symbols Soliton Nonlinear Sciences::Pattern Formation and Solitons Nonlinear Schrödinger equation Beam (structure) |
| Zdroj: | Physics Letters A. 366:422-427 |
| ISSN: | 0375-9601 |
| Popis: | We study the bound states of two-dimensional bright solitons in nonlocal nonlinear media. The general properties and stability of these multisolitary structures are investigated analytically and numerically. We have found that a steady bound state of coherent nonrotating and rotating solitary structures (azimuthons) can exist above some threshold power. A dipolar nonrotating multisoliton occurs to be stable within the finite range of the beam power. Azimuthons turn out to be stable if the beam power exceeds some threshold value. The bound states of three or four nonrotating solitons appear to be unstable. Comment: 8 pages, 6 figures, Submitted to Phys. Lett. A |
| Databáze: | OpenAIRE |
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