# Limits on Lorentz Invariance Violation from Coulomb Interactions in Nuclei and Atoms

## Author(s): Flambaum, VV; Romalis, Michael V

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 Abstract: Anisotropy in the speed of light that has been constrained by Michelson-Morley-type experiments also generates anisotropy in the Coulomb interactions. This anisotropy can manifest itself as an energy anisotropy in nuclear and atomic experiments. Here the experimental limits on Lorentz violation in Ne-21(10) are used to improve the limits on Lorentz symmetry violations in the photon sector, namely, the anisotropy of the speed of light and the Coulomb interactions, by 7 orders of magnitude in comparison with previous experiments: the speed of light is isotropic to a part in 10(28). Publication Date: 7-Apr-2017 Electronic Publication Date: 3-Apr-2017 Citation: Flambaum, VV, Romalis, MV. (2017). Limits on Lorentz Invariance Violation from Coulomb Interactions in Nuclei and Atoms. PHYSICAL REVIEW LETTERS, 118 (10.1103/PhysRevLett.118.142501 DOI: doi:10.1103/PhysRevLett.118.142501 ISSN: 0031-9007 EISSN: 1079-7114 Language: English Type of Material: Journal Article Journal/Proceeding Title: PHYSICAL REVIEW LETTERS Version: Final published version. Article is made available in OAR by the publisher's permission or policy.