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Localized Waves in Nonlinear Systems with Spatially Inhomogeneous Nonlinearity |
| GAO Yuan1, TANG Xiao-Yan1, LOU Sen-Yue 1,2,3 |
| 1Department of Physics, Shanghai Jiao Tong University, Shanghai 2000302Department of Physics, Ningbo University, Ningbo 3152113School of Mathematics, Fudan University, Shanghai 200433 |
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| Cite this article: |
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GAO Yuan, TANG Xiao-Yan, LOU Sen-Yue 2009 Chin. Phys. Lett. 26 030502 |
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Abstract A type of (2+1)-dimensional nonlinear Schrödinger equation with spatially inhomogeneous nonlinearity and an external potential is studied. It is found that special external potentials and spatially nonlinearities can support nonlinear localized waves.
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| Keywords:
05.45.Yv
03.75.Lm
42.65.Tg
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Received: 01 August 2008
Published: 19 February 2009
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| PACS: |
05.45.Yv
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(Solitons)
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03.75.Lm
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(Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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