Enhanced effect of temporal variation of the fine-structure constant in diatomic molecules

V. V. Flambaum
Phys. Rev. A 73, 034101 – Published 20 March 2006

Abstract

We show that the relative effect of variation of the fine-structure constant in microwave transitions between very close and narrow rotational-hyperfine levels may be enhanced 2–3 orders of magnitude in diatomic molecules with unpaired electrons like LaS, LaO, LuS, LuO, YbF, and similar molecular ions. The enhancement is result of cancellation between the hyperfine and rotational intervals.

  • Received 8 January 2006

DOI:https://doi.org/10.1103/PhysRevA.73.034101

©2006 American Physical Society

Authors & Affiliations

V. V. Flambaum

  • School of Physics, The University of New South Wales, Sydney NSW 2052, Australia

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Issue

Vol. 73, Iss. 3 — March 2006

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