Supersolid Vortex Crystals in Rydberg-dressed Bose-Einstein Condensates

Details Supersolid Vortex Crystals in Rydberg-dressed Bose-Einstein Condensates Supersolid Vortex Crystals in Rydberg-dressed Bose-Einstein Condensates

2011-11-24

arxiv.org/abs/1111.5761v2

Physics

Atomic Physics

5 pages, 4 figures

Scientific paper

We study rotating quasi-two-dimensional Bose-Einstein-condensates, in which atoms are dressed to a highly excited Rydberg state. This leads to weak effective interactions that induce a transition to a mesoscopic supersolid state. Considering slow rotation, we determine its superfluidity using Quantum Monte-Carlo simulations as well as mean field calculations. For rapid rotation, the latter reveal an interesting competition between the supersolid crystal structure and the rotation-induced vortex lattice that gives rise to new phases, including arrays of mesoscopic vortex crystals.

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