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The effect of light assisted collisions on matter wave coherence in superradiant Bose-Einstein condensates by Kampel, N. S.; Griesmaier, A.; Steenstrup, M. P. Hornbak; Kaminski, F.; Polzik, E. S.; Müller, J. H. is a scholarly article available to read on EtoBox.

What is The effect of light assisted collisions on matter wave coherence in superradiant Bose-Einstein condensates about?

We investigate experimentally the effects of light assisted collisions on the coherence between momentum states in Bose-Einstein condensates. The onset of superradiant Rayleigh scattering serves as a sensitive monitor for matter wave coherence. A subtle interplay of binary and collective effects leads to a profound asymmetry between the two sides of the atomic resonance and provides far bigger coherence loss rates for a condensate bathed in blue detuned light than previously estimated. We present a simplified quantitative model containing the essential physics to explain our experimental data and point at a new experimental route to study strongly coupled light matter systems.

Author

Kampel, N. S.; Griesmaier, A.; Steenstrup, M. P. Hornbak; Kaminski, F.; Polzik, E. S.; Müller, J. H.

Published

2011

Language

EN