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arXiv 0907.2212nlin.PS
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非局域非线性介质中的方位跟踪

Tracking azimuthons in nonlocal nonlinear media

F. Maucher, D. Buccoliero, S. Skupin, M. Grech, A. S. Desyatnikov, W. Krolikowski

摘要:

我们研究了方位角的形成,即,非局域聚焦非线性介质中的旋转空间孤子。我们表明,这些解决方案的整个家庭可以通过考虑经典的非旋转固定的解决方案,即涡旋孤子的内部模式。这提供了一个详尽的方法来确定方位角在一个给定的非局部介质。我们证明了不同涡旋度的方位角的形成,并通过考虑可达孤立子的强非局域极限来解释它们的性质。

英文摘要:

We study the formation of azimuthons, i.e., rotating spatial solitons, in media with nonlocal focusing nonlinearity. We show that whole families of these solutions can be found by considering internal modes of classical non-rotating stationary solutions, namely vortex solitons. This offers an exhaustive method to identify azimuthons in a given nonlocal medium. We demonstrate formation of azimuthons of different vorticities and explain their properties by considering the strongly nonlocal limit of accessible solitons.

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