Phys. Rev. A 69, 053609 (2004) [5 pages]Magnetic solitons of spinor Bose-Einstein condensates in an optical latticeReceived 24 October 2003; revised 6 February 2004; published 12 May 2004 Magnetic solitons in spinor Bose-Einstein condensates confined in a one-dimensional optical lattice are studied by the Holstein-Primakoff transformation method. It is shown that due to the long-range light-induced and static magnetic dipole-dipole interactions, there exist different types of magnetic solitary excitations in different parameter regions. Compared to conventional solid-state materials, the parameters of this type of magnetic solitons in an optical lattice can be easily tuned by the above dipole-dipole interactions, which are highly controllable in experiments. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.053609
DOI:
10.1103/PhysRevA.69.053609
PACS:
03.75.Lm, 05.30.Jp, 64.60.My, 67.40.Fd
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