Calculation of the (T,P)-odd Electric Dipole Moment of Thallium

Abstract

Parity and time invariance violating electric dipole moment of ${}^{205}$Tl is calculated using the relativistic Hartree-Fock and configuration interaction methods and the many-body perturbation theory. Contributions from the interaction of the electron electric dipole moments with internal electric field and scalar-pseudoscalar electron-nucleon (T,P)-odd interaction are considered. The results are $d{(}^{205}\mathrm{Tl})=-582(20)d_e$ or $d{(}^{205}\mathrm{Tl})=-7.0(2)\times 10^{-18}{C}^{SP}e\mathrm{cm}$. Interpretation of the measurements are discussed. The results of similar calculations for ${}^{133}$Cs are $d{(}^{133}\mathrm{Cs})=124(4)d_e$ or $d{(}^{133}\mathrm{Cs})=0.76(2)\times 10^{-18}{C}^{SP}e\mathrm{cm}$.

5 pages, 4 tables, no figures

References in corpus (5)

• Improved limit on the permanent electric dipole moment of 199Hg
• Calculation of P,T-odd electric dipole moments for diamagnetic atoms ${}^{129}$Xe, ${}^{171}$Yb, ${}^{199}$Hg, ${}^{211}$Rn, and ${}^{225}$Ra
• Intrinsic Electric Dipole Moments of Paramagnetic Atoms: Rubidium and Cesium
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