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Bose-Einstein Condensation of Molecules

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Group: Grimm

Authors and contributors: S. Jochim, M. Bartenstein, A. Altmeyer, G. Hendl, S. Riedl, C. Chin, J. Hecker Denschlag, R. Grimm

Figure: the vacuum chamber

BEC of Li2 molecules

Our team at the Institute for Experimental Physics at Innsbruck University has achieved Bose-Einstein Condensation of more than 105 Li2 molecules. Starting point is a spin mixture of fermionic lithium 6 atoms in an optical dipole trap. The molecules are formed by three-body recombination during forced evaporative cooling near a Feshbach resonance. By further evaporative cooling the molecules finally condense into a thermal equilibrium state with a long lifetime of about 20 seconds. We measure the characteristic frequency of a collective excitation mode and demonstrate the magnetic-field dependent mean field. Our results are published on November 13th 2003 in Science Express.

Science 302, 2101 (2003); published online 13 Nov 2003 (10.1126/science.1093280)

Posted: 04 Feb 2007     Date: 13 Nov 2003


Conferences
ICQSIM 2017 International Conference on Quantum Simulation
13 Nov 2017
Ecole Normale Supérieure, Paris, France
Frontiers in Two-Dimensional Quantum Systems
13 Nov 2017
ICTP in Trieste, Italy
Synthetic dimensions in quantum engineered systems
20 Nov 2017
ETH Zurich, Switzerland
 

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