Investigation of dephasing rates in an interacting Rydberg gas

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dc.creatorRaitzsch, U.
dc.creatorHeidemann, R.
dc.creatorWeimer, H.
dc.creatorBendkowsky, V.
dc.creatorButscher, B.
dc.creatorKollmann, P.
dc.creatorLöw, R.
dc.creatorBüchler, H. P.
dc.creatorPfau, T.
dc.date2008-11-25
dc.date.accessioned2026-07-07T13:15:15Z
dc.date.available2026-07-07T13:15:15Z
dc.descriptionWe experimentally and theoretically investigate the dephasing rates of the coherent evolution of a resonantly driven pseudo spin emersed in a reservoir of pseudo spins. The pseudo spin is realized by optically exciting 87 Rb atoms to a Rydberg state. Hence, the upper spin states are coupled via the strong van der Waals interaction. Two different experimental techniques to measure the dephasing rates are shown: the 'rotary echo' technique known from nuclear magnetic resonance physics and electromagnetically induced transparency. The experiments are performed in a dense frozen Rydberg gas, either confined in a magnetic trap or in an optical dipole trap. Additionally, a numerical simulation is used to analyse the dephasing in the rotary echo experiments.
dc.description13 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/0811.4185
dc.identifierhttp://arxiv.org/abs/0811.4185
dc.identifierNew Journal of Physics 11 (2009) 055014 (13pp)
dc.identifierdoi:10.1088/1367-2630/11/5/055014
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230420
dc.subjectQuantum Physics
dc.titleInvestigation of dephasing rates in an interacting Rydberg gas
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