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Open Quantum Systems Decoherence
Quantum Chemistry
Identical particles exchange symmetry and the electric dipole moment in molecules
arXiv
Authors: Guglielmo M. Tino
Year
2021
Paper ID
40798
Status
Preprint
Abstract Read
~2 min
Abstract Words
72
Citations
N/A
Abstract
Based on fundamental symmetries, molecules cannot have a permanent electric dipole moment although it is commonly used in the literature to explain the different molecular spectra for heteronuclear and homonuclear molecules. Electric-dipole rotational and vibrational spectra can indeed be observed in heteronuclear molecules while they are missing in molecules with identical nuclei. I show that the missing spectral features can be explained as an effect of the exchange symmetry for identical particles.
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- Based on fundamental symmetries, molecules cannot have a permanent electric dipole moment although it is commonly used in the literature to explain the different molecular...
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