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- Universität InnsbruckAT135 papers
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28 papers · 1 filter
Heating dynamics of bosonic atoms in a noisy optical lattice
Hannes Pichler, Johannes Schachenmayer, Andrew J. Daley +1
We analyze the heating of interacting bosonic atoms in an optical lattice due to intensity fluctuations of the lasers forming the lattice. We focus in particular on fluctuations at…
Production of quantum degenerate strontium gases: Larger, better, faster, colder
Simon Stellmer, Rudolf Grimm, Florian Schreck
We report on an improved scheme to generate Bose-Einstein condensates (BECs) and degenerate Fermi gases of strontium. This scheme allows us to create quantum gases with higher atom…
Feshbach resonances, weakly bound molecular states and coupled-channel potentials for cesium at high magnetic fields
Martin Berninger, Alessandro Zenesini, Bo Huang +6
We explore the scattering properties of ultracold ground-state Cs atoms at magnetic fields between 450 G (45 mT) and 1000 G. We identify 17 new Feshbach resonances, including two v…
Direct imaging of topological edge states in cold-atom systems
N. Goldman, J. Dalibard, A. Dauphin +4
Detecting topological order in cold-atom experiments is an ongoing challenge, the resolution of which offers novel perspectives on topological matter. In material systems, unambigu…
Magnetic properties of commensurate Bose-Bose mixtures in one-dimensional optical lattices
M. Dalmonte, E. Ercolessi, M. Mattioli +2
We investigate magnetic properties of strongly interacting bosonic mixtures confined in one dimensional geometries, focusing on recently realized Rb-K gases with tunable interspeci…
Collective Modes in a Unitary Fermi Gas across the Superfluid Phase Transition
Meng Khoon Tey, Leonid A. Sidorenkov, Edmundo R. Sánchez Guajardo +6
We provide a joint theoretical and experimental investigation of the temperature dependence of the collective oscillations of first sound nature exhibited by a highly elongated har…