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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• Actinide and lanthanide molecules to search for strong CP-violation
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• Limits on $CP$-violating hadronic interactions and proton EDM from paramagnetic molecules
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• Relativistic Exact Two-Component Coupled-Cluster Study of Molecular Sensitivity Factors for Nuclear Schiff Moments
• Effects of $CP$-violating internucleon interactions in paramagnetic molecules
• Discovering QCD-Coupled Axion Dark Matter with Polarization Haloscopes
• Ab initio study of electronic states and radiative properties of the AcF molecule
• Enhanced Schiff and magnetic quadrupole moments in deformed nuclei and their connection to the search for axion dark matter
• Global analysis of CP-violation in atoms, molecules and role of medium-heavy systems
• Nuclear T-violation search using octupole-deformed nuclei in a crystal
• Detection of missing low-lying atomic states in actinium
• Generator coordinate method for nuclear octupole excitations: status and perspectives
• Parity and Time Reversal Invariance Violation in Neutron-Nucleus Scattering
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• Nuclear Electric Quadrupole Moment-Induced Parity Doubling in Molecules for Symmetry-Violation Searches