Journal
PHYSICAL REVIEW LETTERS
Volume 88, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.88.180403
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We consider the condensate wave function of a rapidly rotating two-component Bose gas with an equal number of particles in each component. If the interactions between like and unlike species are very similar (as occurs for two hyperfine states of Rb-87 or Na-23 ) we find that the two components contain identical rectangular vortex lattices, where the unit cell has an aspect ratio of root3, and one lattice is displaced to the center of the unit cell of the other. Our results are based on an exact evaluation of the vortex lattice energy in the large angular momentum (or quantum Hall) regime.
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