Quantum Test of the Universality of Free Fall

Quantum Test of the Universality of Free Fall
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DOI:
10.1103/physrevlett.112.203002
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发表时间:
2014-05-22
影响因子:
8.6
通讯作者:
Rasel, E. M.
Rasel, E. M.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Schlippert, D.;Hartwig, J.;Rasel, E. M.

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我们同时测量了用激光冷却的Rb-87和K-39原子系综工作的两个拉曼型物质波干涉仪中的引力相移。我们的测量得到Eotvos比Eta(Rb,K)=(0.3+/-5.4)x 10(-7)。我们简要地估计了可能的偏差影响,并提出了未来改进的策略。
We simultaneously measure the gravitationally induced phase shift in two Raman-type matter-wave interferometers operated with laser-cooled ensembles of Rb-87 and K-39 atoms. Our measurement yields an Eotvos ratio of eta(Rb,K) = (0.3 +/- 5.4) x 10(-7). We briefly estimate possible bias effects and present strategies for future improvements.