Topological Excitations in Spinor Bose-Einstein Condensates

Details Topological Excitations in Spinor Bose-Einstein Condensates Topological Excitations in Spinor Bose-Einstein Condensates

2010-06-30

arxiv.org/abs/1006.5839v1

Prog.Theor.Phys.Suppl.186:455-462,2010

Physics

Condensed Matter

Quantum Gases

Proceedings of the workshop "New Frontiers in QCD 2010"

Scientific paper

10.1143/PTPS.186.455

A rich variety of order parameter manifolds of multicomponent Bose-Einstein condensates (BECs) admit various kinds of topological excitations, such as fractional vortices, monopoles, skyrmions, and knots. In this paper, we discuss two topological excitations in spinor BECs: non-Abelian vortices and knots. Unlike conventional vortices, non-Abelian vortices neither reconnect themselves nor pass through each other, but create a rung between them in a topologically stable manner. We discuss the collision dynamics of non-Abelian vortices in the cyclic phase of a spin-2 BEC. In the latter part, we show that a knot, which is a unique topological object characterized by a linking number or a Hopf invariant [$\pi_3 (S^2)=Z$], can be created using a conventional quadrupole magnetic field in a cold atomic system.

Affiliated with

Also associated with

No associations

Rating

Topological Excitations in Spinor Bose-Einstein Condensates does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Topological Excitations in Spinor Bose-Einstein Condensates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Topological Excitations in Spinor Bose-Einstein Condensates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-153884