The Stark effect of the hyperfine structure of cesium

A. Weis; S. Ulzega

doi:10.1117/12.726805

13 March 2007 The Stark effect of the hyperfine structure of cesium

A. Weis, S. Ulzega

Proceedings Volume 6604, 14th International School on Quantum Electronics: Laser Physics and Applications; 660408 (2007) https://doi.org/10.1117/12.726805
Event: 14th International School on Quantum Electronics: Laser Physics and Applications, 2006, Sunny Beach, Bulgaria

Abstract

We present an overview of the quadratic Stark effect in the ground state of alkali atoms. On the basis of symmetry arguments we show that the second order Stark interaction vanishes in the spherically symmetric S_1/2 ground state while an extension of the perturbation theory to third order, including the hyperfine interaction, leads to scalar and tensor polarizabilities. We discuss the effect on the hyperfine structure of the Cs ground state. We report 2 new independent measurements of the tensor polarizability &agr;₂⁽³⁾ (F = 4), which are in very good agreement with prior experiments, and we present an extension of the theory of the Stark interaction which bridges a 40 year old discrepancy between experimental and theoretical values of the tensor polarizability. We also report the presence of a sign error in prior theory and discuss its relevance for primary frequency standards.

Citation Download Citation

A. Weis and S. Ulzega "The Stark effect of the hyperfine structure of cesium", Proc. SPIE 6604, 14th International School on Quantum Electronics: Laser Physics and Applications, 660408 (13 March 2007); https://doi.org/10.1117/12.726805

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