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Nonlinear transport of bosonic matter waves and light

Subject Area Statistical Physics, Nonlinear Dynamics, Complex Systems, Soft and Fluid Matter, Biological Physics
Term from 2007 to 2013
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 24367642
 
We plan to investigate nonlinear bosonic transport processes with electromagnetic and matter waves in complex scattering geometries. A central aim is to study the effect of nonlinearities on interference phenomena, in particular weak (anti-)localization for Bose-Einstein condensates in chaotic mesoscopic cavities, and to provide a semiclassical understanding of this effect. Moreover, we intend to investigate, both on the mean-field and on the many-body level, Aharonov-Bohm-type oscillations of interacting Bose-Einstein condensates propagating through two-arm interferometers. In the electromagnetic context, we plan to study echo and time-reversal focusing phenomena in cavities, nonlinear coherent backscattering of photons in random networks of optical fibers, as well as dynamical tunneling of laser light through microcavities. Finally, our long-term aim is to develop a nonperturbative many-body approach to scattering of ultracold bosonic atoms through quantum dots and disorder geometries.
DFG Programme Research Units
International Connection Belgium
Participating Person Professor Dr. Peter Schlagheck
 
 

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