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Hannover 2013 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Ultra-cold atoms, ions and BEC V (with Q)

A 26.3: Vortrag

Mittwoch, 20. März 2013, 14:45–15:00, B 302

Quantum Phases of Soft-Core Dipolar Bosons in Optical Lattices — •Sebnem Günes Söyler1, Daniel Grimmer2, and Barbara Capogrosso-Sansone21Max Planck Institute for the Physics of Complex Systems, Dresden, Germany — 2University of Oklahoma, Norman, USA

We perform quantum Monte Carlo simulations of a system of soft-core ultracold bosonic atoms with dipolar interactions, confined in a two dimensional optical lattice. We consider long range isotropic repulsive interactions which refers to dipoles are alligned perpendicular to the plane. We calculate the ground state phase diagram for a parameter range that exhibits various solids, superfluid and supersolid phases. We also present finite temperature results and discuss the experimental feasibility of such phases.

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