Knotted Solitons in a Charged Two-Condensate Bose System

Details Knotted Solitons in a Charged Two-Condensate Bose System Knotted Solitons in a Charged Two-Condensate Bose System

2007-03-19

arxiv.org/abs/cond-mat/0703475v1

PHYSICAL REVIEW B 74, 144508 (2006)

Physics

Condensed Matter

Superconductivity

12 pages,0 figures

Scientific paper

10.1103/PhysRevB.74.144508

By making use of the decomposition of U(1) gauge potential theory and the \phi mapping method, we propose that a charged two-condensate Bose system possesses vortex lines and two classes of knotted solitons. The topological charges of the vortex lines are characterized by the Hopf indices and the Brower degrees of \phi-mapping, and the knotted solitons are described by the nontrivial Hopf invariant and the BF action, respectively.

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