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Article type: Research Article
Authors: Senami, Masato* | Kuroda, Naoya | Takahashi, Toshiki
Affiliations: Department of Micro Engineering, Kyoto University, Kyoto, Japan
Correspondence: [*] Corresponding author: Masato Senami, Department of Micro Engineering, Kyoto University, Kyoto 615-8540, Japan. E-mail: senami@me.kyoto-u.ac.jp.
Abstract: This paper studies factors which may affect the effective electric field of observation experiments of the electron electric dipole moment. Particularly, the external electric field used in experiments and the internuclear length between two atoms in polar molecules are paid attention to. YbF and ThO are chosen for polar molecules used in observational experiments of the electron electric dipole moment. For the study of the effect of the external electric field, we confirm that this external electric field is negligible in computations of the effective electric field, since this external electric field is much smaller than the internal electric field in the molecules. The effect of the internuclear length is investigated in a viewpoint of the relation with the molecular electric dipole moment.
Keywords: Electron electric dipole moment, relativistic quantum theory, effective electric field
DOI: 10.3233/JCM-204361
Journal: Journal of Computational Methods in Sciences and Engineering, vol. 21, no. 1, pp. 99-107, 2021
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