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6 papers · 1 filter
Quantum Non-Demolition Detection of Strongly Correlated Systems
Kai Eckert, Oriol Romero-Isart, Mirta Rodriguez +3
Preparation, manipulation, and detection of strongly correlated states of quantum many body systems are among the most important goals and challenges of modern physics. Ultracold a…
Quantum Scattering of Distinguishable Bosons using an Ultracold Atom Collider
Angela S. Mellish, Niels Kjaergaard, Paul S. Julienne +1
We describe a new implementation of magnetic collider for investigating cold collisions between ultracold atomic clouds in different spin states, and we use this to investigate sca…
Mixing of ultracold atomic clouds by merging of two magnetic traps
Jesper Fevre Bertelsen, Henrik Kjaer Andersen, Sune Mai +1
We demonstrate a method to make mixtures of ultracold atoms that does not make use of a two-species magneto-optical trap. We prepare two clouds of 87Rb atoms in distinct magnetic q…
A two-channel R-matrix analysis of magnetic field induced Feshbach resonances
Nicolai Nygaard, Barry I. Schneider, Paul S. Julienne
A Feshbach resonance arises in cold atom scattering due to the complex interplay between several coupled channels. However, the essential physics of the resonance may be encapsulat…
Molecule Formation in Optical Lattice Wells by Resonantly Modulated Magnetic Fields
Jesper Fevre Bertelsen, Klaus Molmer
We present a theoretical model for formation of molecules in an optical lattice well where a resonant coupling of atomic and molecular states is provided by small oscillations of a…
Feshbach-Resonant Interactions in 40K and 6Li Degenerate Fermi Gases
Matt Mackie, Jyrki Piilo
We theoretically examine a system of Fermi degenerate atoms coupled to bosonic molecules by a Feshbach resonance, focusing on the superfluid transition to a molecular Bose-Einstein…