Electric dipole moments of atoms and molecules produced by enhanced nuclear Schiff moments

Abstract

We perform calculations of the CP-violating atomic and molecular electric dipole moments (EDM) induced by the interaction of the nuclear Schiff moments with electrons. EDM of atoms Eu, Dy, Gd, Ac, Th, Pa, U, Np and Pu are of special interest since they have isotopes with strongly enhanced nuclear Schiff moments caused by the octupole nuclear deformation or soft octupole vibration mode. These atoms have open 4f or 5f shells making the calculations complicated. We use our special version of the configuration interaction method combined with the many-body perturbation theory method adopted for open f-shell case. To validate the method we perform similar calculations for simpler atoms (Xe, Hg, Tl+, Pb, Pb++, Rn, Ra) where some earlier results are available. In addition we present the estimates of the CP-violating nuclear spin - molecular axis interaction constants for molecules which may be of experimental interest including AcF, EuN, ThO, PbO and TlF. We also present updated values of the nuclear Schiff moments and atomic and molecular EDM expressed in terms of the CP-violating pi-meson - nucleon interaction constants g_0,g_1, g_2, QCD parameter theta and quark chromo-EDMs. The results may be used to test CP-violation theories and search for axion dark matter in atomic, molecular and solid state experiments.

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• Search for axion-like dark matter through nuclear spin precession in electric and magnetic fields
• Time-reversal symmetry violation in molecules induced by nuclear magnetic quadrupole moments
• Calculation of P,T-odd electric dipole moments for diamagnetic atoms ${}^{129}$Xe, ${}^{171}$Yb, ${}^{199}$Hg, ${}^{211}$Rn, and ${}^{225}$Ra
• Combining configuration interaction with perturbation theory for atoms with large number of valence electrons
• Spectroscopy of quadrupole and octupole states in rare-earth nuclei from a Gogny force
• Octupole degree of freedom for the critical-point candidate nucleus ${}^{152}$Sm in a reflection-asymmetric relativistic mean-field approach
• Electric dipole moments of actinide atoms and RaO molecule
• Nuclear Schiff moment in nuclei with soft octupole and quadrupole vibrations
• Atomic electric dipole moments of He and Yb induced by nuclear Schiff moments
• Scalar Static Polarizabilities of Lanthanides and Actinides
• Theoretical calculation of atomic properties of superheavy elements Z=110-112 and their ions
• Theoretical study of electron structure of superheavy elements with an open $6d$-shell, Sg, Bh, Hs and Mt

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• Laser spectroscopy and CP-violation sensitivity of actinium monofluoride
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• Theoretical determination of the ionization potentials of ScF, YF, LaF and AcF
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