FROM LAMB SHIFT TO LIGHT SHIFTS - VACUUM AND SUBPHOTON CAVITY FIELDS MEASURED BY ATOMIC PHASE-SENSITIVE DETECTION

被引：224

作者：

BRUNE, M

NUSSENZVEIG, P

SCHMIDT-KALER, F

BERNARDOT, F

MAALI, A

RAIMOND, JM

HAROCHE, S

机构：

[1] Laboratoire de Spectroscopie Hertzienne de l'Ecole Normale Supérieure, F-75231 Paris Cedex

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.72.3339

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured by Ramsey interferometry the dispersive light shifts produced on circular Rydberg states by very weak nonresonant microwave fields in a single cavity mode. This experiment yields an absolute measurement of mean photon numbers with a sensitivity of 0.1. The vacuum induced Lamb shift, equal to the light shift of ''half a photon,'' has been observed, providing a direct and absolute measurement of the zero-point field fluctuations in a cavity mode.

引用

页码：3339 / 3342

页数：4

共 20 条

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