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3. Controlled Transport of Matter Waves in Two-Dimensional Optical Lattices
   J. Abdullaev, D. Poletti, E. A. Ostrovskaya, and Yu. S. Kivshar,
   Phys. Rev. Lett. 105, 090401-4 (2010).
   [Abstract] [Full-text PDF (1.2 Mb)] [Online]

2. Ratchet-induced matter-wave transport and soliton collisions in Bose-Einstein condensates
   D. Poletti, E. A. Ostrovskaya, T. J. Alexander, B. W. Li, and Yu. S. Kivshar,
   Physica D 238, 1338-1344 (2009).
   [Abstract] [Full-text PDF (2 Mb)] [Online]

1. Dynamics of Matter-Wave Solitons in a Ratchet Potential
   D. Poletti, T. J. Alexander, E. A. Ostrovskaya, B. W. Li, and Yu. S. Kivshar,
   Phys. Rev. Lett. 101, 150403-4 (2008).
   [Abstract] [Full-text PDF (686 Kb)] [Online]