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physics.atom-ph2015★ 69 cited
Direct observation of ultrafast many-body electron dynamics in an ultracold Rydberg gas
Nobuyuki Takei, Christian Sommer, Claudiu Genes +6
Many-body correlations govern a variety of important quantum phenomena such as the emergence of superconductivity and magnetism. Understanding quantum many-body systems is thus one…
physics.atom-ph2014★ 17 cited
Protected subspace Ramsey spectroscopy
Laurin Ostermann, David Plankensteiner, Helmut Ritsch +1
We study a modified Ramsey spectroscopy technique employing slowly decaying states for quantum metrology applications using dense ensembles. While closely positioned atoms exhibit…