• DFG Schwerpunkt 1116: Interactions in ultra-cold atomic and molecular gases ; since June 2005.
• ESF Project QUDEDIS: Quantum Degenerate Dilute Systems ; since June 2004.
• "Entanglement measures and the influence of noise" , together with Karol Zyckowski ( Center for Theoretical Physics, Polish Academy of Sciences, Warsaw) funded by VolkswagenStiftung ; December 2001 until June 2007.
• "Three body Coulomb problem under periodic driving'', DAAD-PROCOPE grant, together with Dominique Delande, Laboratoire Kastler Brossel, Paris; 2003-2004.
• Grand Challenge project "Spectral Properties of Atomic Rydberg States in Intense Electromagnetic Fields" on the Hitachi SR8000-F1 (HLRB), funded by the Leibniz-Rechenzentrum der Bayerischen Akademie der Wissenschaften; 2000-2003.
• "Quantum Transport on the Atomic Scale", EU network, together with Herbert Walther ( Max Planck Institute for Quantum Optics, Garching); 2000-2004.
• "Entanglement and decoherence in open quantum systems'', DAAD-PROBRAL grant, together with Luiz Davidovich, Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro; since January 2006.
• DFG Forschergruppe 760: Scattering Systems with Complex Dynamics ; since June 2007.