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APS » Journals » Phys. Rev. E » Volume 73 » Issue 6
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Phys. Rev. E 73, 066603 (2006) [8 pages]

Stability of two-dimensional spatial solitons in nonlocal nonlinear media

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S. Skupin1,*, O. Bang2, D. Edmundson3, and W. Krolikowski1
1Laser Physics Center, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia
2COM•DTU Department of Communications, Optics & Materials, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
3ANU Supercomputer Facility, Australian National University, Canberra ACT 0200, Australia

Received 22 February 2006; published 2 June 2006

We discuss the existence and stability of two-dimensional solitons in media with spatially nonlocal nonlinear response. We show that such systems, which include thermal nonlinearity and dipolar Bose-Einstein condensates, may support a variety of stationary localized structures, including rotating dipole solitons. We also demonstrate that the stability of these structures critically depends on the spatial profile of the nonlocal response function.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.73.066603
DOI:
10.1103/PhysRevE.73.066603
PACS:
42.65.Tg, 42.65.Sf, 42.70.Df, 03.75.Lm

*Present address: Département de Physique Théorique et Appliquée, CEA/DAM Ile de France, B.P. 12, 91680 Bruyères-le-Châtel, France. Electronic address: stefan.skupin@cea.fr

 
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