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. This paper shows that the missing spectral features can be explained as an effect of the exchange symmetry for identical particles.

Identical Particles Exchange Symmetry and the Electric Dipole Moment in Molecules / Guglielmo M. Tino. - In: SYMMETRY. - ISSN 2073-8994. - ELETTRONICO. - 14:(2022), pp. 2397-2400. [10.3390/sym14112397]

Identical Particles Exchange Symmetry and the Electric Dipole Moment in Molecules

Guglielmo M. Tino
2022

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. This paper shows that the missing spectral features can be explained as an effect of the exchange symmetry for identical particles.
14
2397
2400
Guglielmo M. Tino
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/1291009
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