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Nayak, Timo Fleig","submitted_at":"2014-01-10T11:12:20Z","abstract_excerpt":"A recently implemented relativistic four-component configuration interaction approach to study ${\\cal{P}}$- and ${\\cal{T}}$-odd interaction constants in atoms and molecules is employed to determine the electron electric dipole moment effective electric field in the $\\Omega=1$ first excited state of the ThO molecule. We obtain a value of $E_{\\text{eff}} = 75.6 \\left[\\frac{\\rm GV}{\\rm cm}\\right]$ with an estimated error bar of $3\\%$ and $10\\%$ smaller than a previously reported result [arXiv:1308.0414 [physics.atom-ph]]. 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