Vortex lattice transitions in cyclic spinor condensates

Details Vortex lattice transitions in cyclic spinor condensates Vortex lattice transitions in cyclic spinor condensates

2007-10-30

arxiv.org/abs/0710.5550v1

Phys. Rev. Lett. 100, 240405 (2008)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.100.240405

We study the energetics of vortices and vortex lattices produced by rotation in the cyclic phase of F=2 spinor Bose condensates. In addition to the familiar triangular lattice predicted by Tkachenko for $^4$He, many more complex lattices appear in this system as a result of the spin degree of freedom. In particular, we predict a magnetic-field-driven transition from a triangular lattice to a honeycomb lattice. Other transitions and lattice geometries are driven at constant field by changes in the temperature-dependent ratio of charge and spin stiffnesses, including a transition through an aperiodic vortex structure.

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