Vortex phase diagram in rotating two-component Bose-Einstein condensates

Details Vortex phase diagram in rotating two-component Bose-Einstein condensates Vortex phase diagram in rotating two-component Bose-Einstein condensates

2003-03-07

arxiv.org/abs/cond-mat/0303125v3

Phys. Rev. Lett. vol.91 150406 (2003)

Physics

Condensed Matter

4 pages, 4 figures, revtex4

Scientific paper

10.1103/PhysRevLett.91.150406

We investigate the structure of vortex states in rotating two-component Bose-Einstein condensates with equal intracomponent but varying intercomponent coupling constants. A phase diagram in the intercomponent-coupling versus rotation-frequency plane reveals rich equilibrium structures of vortex states. As the ratio of intercomponent to intracomponent couplings increases, the interlocked vortex lattices undergo phase transitions from triangular to square, to double-core lattices, and eventually develop interwoven "serpentine" vortex sheets with each component made up of chains of singly quantized vortices.

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