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TT: Fachverband Tiefe Temperaturen

TT 40: Poster Session Correlated Electrons

TT 40.87: Poster

Mittwoch, 13. März 2013, 15:00–19:00, Poster D

Cooperative phenomena in superconducting atom-chips — •Sebastian Fuchs, Björn Kubala, and Joachim Ankerhold — Institut für Theoretische Physik, Universität Ulm, Albert-Einstein-Allee 11, 89069 Ulm, Germany

We theoretically investigate the physics of hybrid quantum systems, where a cloud of cold atoms is coupled to superconducting microstructures, so called superconducting atom-chips. Coherent enhancement, due to the large number of atoms in the cloud, opens a path to the study of strong coupling effects, like superradiance/Dicke-physics in a decohering environment [1]. A structured environment can be designed by embedding a Cooper pair box within the cavity. Moreover, in such a system the transfer of quantum information between the atomic cloud and the superconducting solid state system can be studied.
[1] K. Henschel, J., J. Schmiedmayer, and H. Ritsch, Phys. Rev. A 82, 033810 (2010)