Fully Frustrated Cold Atoms

Details Fully Frustrated Cold Atoms Fully Frustrated Cold Atoms

2005-01-17

arxiv.org/abs/cond-mat/0501387v1

Phys. Rev. Lett. 95, 010401 (2005)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 3 figures, submitted

Scientific paper

10.1103/PhysRevLett.95.010401

Fully frustrated Josephson Junction arrays (FF-JJA's) exhibit a subtle compound phase transition in which an Ising transition associated with discrete broken translational symmetry and a Berezinskii-Kosterlitz-Thouless (BKT) transition associated with quasi-long-range phase coherence occur nearly simultaneously. In this Letter we discuss a cold atom realization of the FF-JJA system. We demonstrate that both orders can be studied by standard momentum-distribution-function measurements and present numerical results, based on a successful self-consistent spin-wave approximation, that illustrate the expected behavior of observables.

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