Bosonic and fermionic dipoles on a ring

Details Bosonic and fermionic dipoles on a ring Bosonic and fermionic dipoles on a ring

2010-12-15

arxiv.org/abs/1012.3431v3

Phys. Rev. Lett. 107, 035301 (2011)

Physics

Condensed Matter

Quantum Gases

4 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.107.035301

We show that dipolar bosons and fermions confined in a quasi-one-dimensional ring trap exhibit a rich variety of states because their interaction is inhomogeneous. For purely repulsive interactions, with increasing strength of the dipolar coupling there is a crossover from a gas-like state to an inhomogeneous crystal-like one. For small enough angles between the dipoles and the plane of the ring, there are regions with attractive interactions, and clustered states can form.

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