Single-atom interferometry

被引：38

作者：

Huesmann, R ^{[1
]}

Balzer, C ^{[1
]}

Courteille, P ^{[1
]}

Neuhauser, W ^{[1
]}

Toschek, PE ^{[1
]}

机构：

[1] Univ Hamburg, Inst Laser Phys, D-20355 Hamburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.82.1611

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The phase shift of the hyperfine Larmor precession of an individual ground-state Yb-171(+) ion upon pulsed variation of the ambient magnetic field has been measured by microwave-optical double resonance interpreted in terms of Mach-Zehnder interferometry, Averaging over an ensemble of individual measurements, compared with measurements on an ensemble of ions, demonstrates quantum ergodicity. Even a single measurement yields (incomplete) phase information. Outside the peaks and dips of the interferogram, where ion probing is incompatible with ion preparation, the results of measurements are stochastic. This is demonstrated by laser exciting the ion on an E2 line.

引用

页码：1611 / 1615

页数：5

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