P,Todd Faraday rotation in intracavity absorption spectroscopy with a molecular beam as a possible way to improve the sensitivity of the search for time-reflection-noninvariant effects in nature

D. V. Chubukov, L. V. Skripnikov, A. N. Petrov, V. N. Kutuzov, and L. N. Labzowsky
Phys. Rev. A 103, 042802 – Published 1 April 2021

Abstract

The present constraint on the space parity P and time-reflection invariance T violating the electron electric dipole moment (eEDM) is based on the observation of the electron-spin precession in an external electric field using the ThO molecule. We propose an alternative approach: observation of the P,T-odd Faraday effect in an external electric field using the cavity-enhanced polarimetric scheme in combination with a molecular beam crossing the cavity. Our theoretical simulation of the proposed experiment with the PbF and ThO molecular beams shows that the present constraint on the eEDM in principle can be improved by a few orders of magnitude.

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  • Received 14 December 2020
  • Accepted 15 March 2021

DOI:https://doi.org/10.1103/PhysRevA.103.042802

©2021 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

D. V. Chubukov1,2,*, L. V. Skripnikov1,2, A. N. Petrov1,2, V. N. Kutuzov1, and L. N. Labzowsky1,2

  • 1Department of Physics, St. Petersburg State University, 7/9 Universitetskaya Naberezhnaya, St. Petersburg 199034, Russia
  • 2Petersburg Nuclear Physics Institute named after B.P. Konstantinov of National Research Centre “Kurchatov Institut,” St. Petersburg, Gatchina 188300, Russia

  • *Corresponding author: dmitrybeat@gmail.com

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Vol. 103, Iss. 4 — April 2021

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