Unusual States of Vortex Matter in Mixtures of Bose-Einstein Condensates on Rotating Optical Lattices

Journal Article · Thu Dec 18 23:00:00 EST 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.101.255301· OSTI ID:21180035

Dahl, E K; Sudboe, A ^[1]; Babaev, E ^[2]

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1. Department of Physics, Norwegian University of Science and Technology, N-7491 Trondheim (Norway)
2. Physics Department, University of Massachusetts, Amherst Massachusetts 01003 (United States)

In a single-component superfluid under rotation a broken symmetry in the order parameter space results in a broken translational symmetry in real space: a vortex lattice. If translational symmetry is restored, the phase of the order parameter disorders and thus the broken symmetry in the order parameter space is also restored. We show that for Bose-Einstein condensate mixtures in optical lattices with negative dissipationless drag, a new situation arises. This state is a modulated vortex liquid which breaks translational symmetry in the direction transverse to the rotation vector.

• OSTI ID: 21180035
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 101; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BOSE-EINSTEIN CONDENSATION
MATTER
MIXTURES
ORDER PARAMETERS
SUPERFLUIDITY
SYMMETRY
SYMMETRY BREAKING