Return to the Origin as a Probe of Atomic Phase Coherence

被引：16

作者：

Hainaut, Clement ^{[1
]}

Manai, Isam ^{[1
]}

Chicireanu, Radu ^{[1
]}

Clement, Jean-Francois ^{[1
]}

Zemmouri, Samir ^{[1
]}

Garreau, Jean Claude ^{[1
]}

Szriftgiser, Pascal ^{[1
]}

Lemarie, Gabriel ^{[2
,3
]}

Cherroret, Nicolas ^{[4
]}

Delande, Dominique ^{[4
]}

机构：

[1] Univ Lille, CNRS, UMR PhLAM Lab Phys Lasers Atomes & Mol 8523, F-59000 Lille, France

[2] CNRS, UMR 5152, Lab Phys Theor, F-31062 Toulouse, France

[3] Univ Toulouse, F-31062 Toulouse, France

[4] ENS PSL Res Univ, Lab Kastler Brossel, UPMC Sorbonne Univ, CNRS,Coll France, 4 Pl Jussieu, F-75005 Paris, France

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 118卷 / 18期

关键词：

ANDERSON LOCALIZATION; WEAK-LOCALIZATION; QUANTUM; BACKSCATTERING; TRANSITION; PHOTONS; SYSTEMS; MATTER; WAVES; CHAOS;

D O I：

10.1103/PhysRevLett.118.184101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the observation of the coherent enhancement of the return probability ["enhanced return to the origin" (ERO)] in a periodically kicked cold-atom gas. By submitting an atomic wave packet to a pulsed, periodically shifted, laser standing wave, we induce an oscillation of ERO in time that is explained in terms of a periodic, reversible dephasing in the weak-localization interference sequences responsible for ERO. Monitoring the temporal decay of ERO, we exploit its quantum-coherent nature to quantify the decoherence rate of the atomic system.

引用

页数：6

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