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A new Manifestation of Atomic Parity Violation in Cesium: a Chiral Optical Gain induced by linearly polarized 6S-7S Excitation

J. Guéna·D. Chauvat·Ph. Jacquier·E. Jahier·M. Lintz·A. V. Papoyan·S. Sanguinetti·D. Sarkisyan·A. Wasan·M. A. Bouchiat
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Abstract

We have detected, by using stimulated emission, an Atomic Parity Violation (APV) in the form of a chiral optical gain of a cesium vapor on the 7S - 6P$_{3/2}$ transition,consecutive to linearly polarized 6S-7S excitation. We demonstrate the validity of this detection method of APV, by presenting a 9% accurate measurement of expected sign and magnitude. We underline several advantages of this entirely new approach in which the cylindrical symmetry of the set-up can be fully exploited. Future measurements at the percent level will provide an important cross-check of an existing more precise result obtained by a different method.

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J. Guéna, D. Chauvat, Ph. Jacquier, E. Jahier, M. Lintz, A. V. Papoyan, S. Sanguinetti, D. Sarkisyan, A. Wasan, M. A. Bouchiat. 2002-10-17. A new Manifestation of Atomic Parity Violation in Cesium: a Chiral Optical Gain induced by linearly polarized 6S-7S Excitation. https://doi.org/10.1103/physrevlett.90.143001

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