Dresden 2011 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 3: Cold Molecules I

MO 3.7: Vortrag

Montag, 14. März 2011, 12:00–12:15, BAR Schön

Interlayer superfluidity and scattering in bilayer systems of polar molecules — •Alexander Pikovski¹, Michael Klawunn^1,2, G. V. Shlyapnikov³, and Luis Santos¹ — ¹Institut für Theoretische Physik, Leibniz Universität Hannover, Appelstr. 2, 30167 Hannover, Germany — ²INO-CNR BEC Center and Dipartimento di Fisica, Università di Trento, 38123 Povo, Italy — ³Laboratoire de Physique Théorique et Modèles Statistiques, Université Paris Sud, CNRS, 91405 Orsay, France

We consider fermionic polar molecules in a bilayer geometry. The dipole-dipole interaction between molecules of different layers leads to the emergence of interlayer superfluids. The superfluid regimes range from BCS-like fermionic superfluidity to BEC of interlayer dimers. The system shows unusual two-dimensional scattering behaviour [M. Klawunn et al., Phys. Rev. A 82, 044701 (2010)] and exhibits a peculiar BCS-BEC crossover [A. Pikovski et al., Phys. Rev. Lett. 105, 215302 (2010)].