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Critical Behavior of a Trapped Interacting Bose Gas
Tobias Donner, Stephan Ritter, Thomas Bourdel +3
The phase transition of Bose-Einstein condensation is studied in the critical regime, when fluctuations extend far beyond the length scale of thermal de Broglie waves. Using matter…
Time interval distributions of atoms in atomic beams
Michael Köhl, Anton Öttl, Stephan Ritter +3
We report on the experimental investigation of two-particle correlations between neutral atoms in a Hanbury Brown and Twiss experiment. Both an atom laser beam and a pseudo-thermal…
Observing the Formation of Long-range Order during Bose-Einstein Condensation
Stephan Ritter, Anton Öttl, Tobias Donner +3
We have experimentally investigated the formation of off-diagonal long-range order in a gas of ultracold atoms. A magnetically trapped atomic cloud prepared in a highly nonequilibr…