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Hybrid 2D surface trap for quantum simulation
J. I. Gillen, W. S. Bakr, A. Peng +3
We demonstrate a novel optical trapping scheme for ultracold atoms. Using a combination of evanescent wave, standing wave, and magnetic potentials we create a deeply 2D Bose-Einste…
Preparation and detection of d-wave superfluidity in two-dimensional optical superlattices
A. M. Rey, R. Sensarma, S. Foelling +3
We propose a controlled method to create and detect d-wave superfluidity with ultracold fermionic atoms loaded in two-dimensional optical superlattices. Our scheme consists in prep…
Counting atoms using interaction blockade in an optical superlattice
P. Cheinet, S. Trotzky, M. Feld +4
We report on the observation of an interaction blockade effect for ultracold atoms in optical lattices, analogous to Coulomb blockade observed in mesoscopic solid state systems. Wh…
Direct Observation of Second Order Atom Tunnelling
S. Foelling, S. Trotzky, P. Cheinet +5
Tunnelling of material particles through a classically impenetrable barrier constitutes one of the hallmark effects of quantum physics. When interactions between the particles comp…
Free fermion antibunching in a degenerate atomic Fermi gas released from an optical lattice
T. Rom, Th. Best, D. van Oosten +4
Noise in a quantum system is fundamentally governed by the statistics and the many-body state of the underlying particles. Whereas for bosonic particles the correlated noise observ…
Adiabatic loading of a Bose-Einstein condensate in a 3D optical lattice
T. Gericke, F. Gerbier, A. Widera +3
We experimentally investigate the adiabatic loading of a Bose-Einstein condensate into an optical lattice potential. The generation of excitations during the ramp is detected by a…