Skyrmion Physics in Bose-Einstein Ferromagnets

Details Skyrmion Physics in Bose-Einstein Ferromagnets Skyrmion Physics in Bose-Einstein Ferromagnets

2001-07-13

arxiv.org/abs/cond-mat/0107302v1

Physics

Condensed Matter

31 pages, 7 JPEG figures. To be published in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.64.043612

We show that a ferromagnetic Bose-Einstein condensate has not only line-like
vortex excitations, but in general also allows for point-like topological
excitations, i.e., skyrmions. We discuss the thermodynamic stability and the
dynamic properties of these skyrmions for both spin-1/2 and ferromagnetic
spin-1 Bose gases.

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