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Geometric potentials in quantum optics: A semi-classical interpretation
Marc Cheneau, Steffen Patrick Rath, Tarik Yefsah +3
We propose a semi-classical interpretation of the geometric scalar and vector potentials that arise due to Berry's phase when an atom moves slowly in a light field. Starting from t…
The trapped two-dimensional Bose gas: from Bose-Einstein condensation to Berezinskii-Kosterlitz-Thouless physics
Zoran Hadzibabic, Peter Krüger, Marc Cheneau +2
We analyze the results of a recent experiment with bosonic rubidium atoms harmonically confined in a quasi-two-dimensional geometry. In this experiment a well defined critical poin…
The atomic Bose gas in Flatland
Zoran Hadzibabic, Peter Krüger, Marc Cheneau +2
We describe a recent experiment performed with rubidium atoms (Rb), aiming at studying the coherence properties of a two-dimensional gas of bosonic particles at low temperat…
Berezinskii-Kosterlitz-Thouless Crossover in a Trapped Atomic Gas
Zoran Hadzibabic, Peter Krüger, Marc Cheneau +2
Any state of matter is classified according to its order, and the kind of order a physical system can posses is profoundly affected by its dimensionality. Conventional long-range o…