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Effects of confinement on the permanent electric-dipole moment of Xe atoms in liquid Xe

Boris Ravaine and Andrei Derevianko
Phys. Rev. A 69, 050101(R) – Published 25 May 2004

Abstract

Searches for permanent electric-dipole moments (EDM) of atoms provide important constraints on competing extensions to the standard model of elementary particles. Recently proposed experiment with liquid Xe129 [M.V. Romalis and M.P. Ledbetter, Phys. Rev. Lett. 87, 067601 (2001)] may significantly improve present limits on the EDMs. To interpret experimental data in terms of CP-violating sources, one must relate measured atomic EDM to various model interactions via electronic-structure calculations. Here we study density dependence of atomic EDMs. The analysis is carried out in the framework of the cell model of the liquid coupled with relativistic atomic-structure calculations. We find that compared to an isolated atom, the EDM of an atom of liquid Xe is suppressed by about 40%.

  • Figure
  • Received 16 October 2003

DOI:https://doi.org/10.1103/PhysRevA.69.050101

©2004 American Physical Society

Authors & Affiliations

Boris Ravaine and Andrei Derevianko

  • Department of Physics, University of Nevada, Reno, Nevada 89557, USA

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Issue

Vol. 69, Iss. 5 — May 2004

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