Magnetic Soliton and Soliton Collisions of Spinor Bose-Einstein Condensates in an Optical Lattice

Details Magnetic Soliton and Soliton Collisions of Spinor Bose-Einstein Condensates in an Optical Lattice Magnetic Soliton and Soliton Collisions of Spinor Bose-Einstein Condensates in an Optical Lattice

2005-06-04

arxiv.org/abs/cond-mat/0506101v1

Phys. Rev. A 71, 053611 (2005)

Physics

Condensed Matter

Other Condensed Matter

16 pages, 5 figures

Scientific paper

10.1103/PhysRevA.71.053611

We study the magnetic soliton dynamics of spinor Bose-Einstein condensates in an optical lattice which results in an effective Hamiltonian of anisotropic pseudospin chain. A modified Landau-Lifshitz equation is derived and exact magnetic soliton solutions are obtained analytically. Our results show that the time-oscillation of the soliton size can be controlled in practical experiment by adjusting of the light-induced dipole-dipole interaction. Moreover, the elastic collision of two solitons is investigated.

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