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quant-ph2011★ 52 cited
Extended coherence time on the clock transition of optically trapped Rubidium
G. Kleine Büning, J. Will, W. Ertmer +6
Optically trapped ensembles are of crucial importance for frequency measurements and quantum memories, but generally suffer from strong dephasing due to inhomogeneous density and l…
quant-ph2010★ 184 cited
Spin self-rephasing and very long coherence times in a trapped atomic ensemble
Christian Deutsch, Fernando Ramirez-Martinez, Clement Lacroûte +7
We perform Ramsey spectroscopy on the ground state of ultra-cold 87Rb atoms magnetically trapped on a chip in the Knudsen regime. Field inhomogeneities over the sample should limit…