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Phys. Rev. Lett. 90, 230402 (2003) [4 pages]

Adiabatic Dynamics of Periodic Waves in Bose-Einstein Condensates with Time Dependent Atomic Scattering Length

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F. Kh. Abdullaev1, A. M. Kamchatnov2,3, V. V. Konotop3, and V. A. Brazhnyi3
1Physical-Technical Institute of the Uzbek Academy of Sciences, 2-b, Mavlyanov strasse, 700084, Tashkent, Uzbekistan
2Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow Region, 142190, Russia
3Centro de Física Teórica e Computacional, Universidade de Lisboa, Avenida Professor Gama Pinto 2, Lisbon 1649-003, Portugal

Received 22 November 2002; revised 5 February 2003; published 10 June 2003

Evolution of periodic matter waves in one-dimensional Bose-Einstein condensates with time-dependent scattering length is described. It is shown that variation of the effective nonlinearity is a powerful tool for controlled generation of bright and dark solitons starting with periodic waves.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.230402
DOI:
10.1103/PhysRevLett.90.230402
PACS:
03.75.Hh, 03.75.Lm, 05.45.Yv, 33.80.Ps