863 citations
- A. Lichtenstein2 profiles30 · h 61
- B. Kniehl30 · h 57
- S. Funk3 profiles27 · h 49
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- M. Raue3 profiles24 · h 50
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- Centre National de la Recherche ScientifiqueFR49 papers
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR28 papers
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- Laboratoire AstroParticule et CosmologieFR26 papers
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16 papers · 1 filter
Role of interactions in 87Rb-40K Bose-Fermi mixtures in a 3d optical lattice
Th. Best, S. Will, U. Schneider +4
We investigate the effect of interspecies interaction on a degenerate mixture of bosonic 87Rb and fermionic 40K atoms in a three-dimensional optical lattice potential. Using a Fesh…
Oscillations and interactions of dark and dark-bright solitons in Bose-Einstein condensates
C. Becker, S. Stellmer, P. Soltan-Panahi +6
Solitons are among the most distinguishing fundamental excitations in a wide range of non-linear systems such as water in narrow channels, high speed optical communication, molecul…
Current- and field-driven magnetic antivortices
Andre Drews, Benjamin Krueger, Markus Bolte +1
Antivortices in ferromagnetic thin-film elements are in-plane magnetization configurations with a core pointing perpendicular to the plane. By using micromagnetic simulations, we f…
Time-Resolved X-ray Microscopy of Spin-Torque-Induced Magnetic Vortex Gyration
Markus Bolte, Guido Meier, Benjamin Krueger +10
Time-resolved X-ray microscopy is used to image the influence of alternating high-density currents on the magnetization dynamics of ferromagnetic vortices. Spin-torque induced vort…
Self-Trapping of Bosons and Fermions in Optical Lattices
Dirk-Sören Lühmann, Kai Bongs, Klaus Sengstock +1
We theoretically investigate the enhanced localization of bosonic atoms by fermionic atoms in three-dimensional optical lattices and find a self-trapping of the bosons for attracti…
Harmonic oscillator model for current- and field-driven magnetic vortices
Benjamin Krueger, Andre Drews, Markus Bolte +3
In experiments the distinction between spin-torque and Oersted-field driven magnetization dynamics is still an open problem. Here, the gyroscopic motion of current- and field-drive…