Measurement of the Casimir-Polder force

C. I. Sukenik, M. G. Boshier, D. Cho, V. Sandoghdar, E. A. Hinds

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Abstract

We have studied the deflection of ground-state sodium atoms passing through a micron-sized parallel-plate cavity by measuring the intensity of a sodium atomic beam transmitted through the cavity as a function of cavity plate separation. This experiment provides clear evidence for the existence of the Casimir-Polder force, which is due to modification of the ground-state Lamb shift in the confined space of a cavity. Our results confirm the magnitude of the force and the distance dependence predicted by quantum electrodynamics.

Original languageEnglish
Pages (from-to)560-563
Number of pages4
JournalPhysical review letters
Volume70
Issue number5
DOIs
Publication statusPublished - 1993
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Sukenik, C. I., Boshier, M. G., Cho, D., Sandoghdar, V., & Hinds, E. A. (1993). Measurement of the Casimir-Polder force. Physical review letters, 70(5), 560-563. https://doi.org/10.1103/PhysRevLett.70.560