Cited by 4,572Atomic and Molecular PhysicsAdvanced Physical and Chemical Molecular InteractionsAdvanced Chemical Physics Studies

Non-adiabatic crossing of energy levels

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Zener, Clarence·1932·Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical Character

Abstract

Abstract The crossing of energy levels has been a matter of considerable discussion. The essential features may be illustrated in the crossing of a polar and homopolar state of a molecule. Let ψ1 (x/R), ψ2 (x/R) be two electronic eigenfunctions of a molecule with stationary nuclei. Let these eigenfunctions have the property that for R≫R0, ψ1 has polar characteristics, ψ2 homopolar; while at R≪R0, ψ2 has polar characteristics, ψ1 homopolar. In the region R=R0 these two eigenfunctions may be said to exchange their characteristics.

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Crossref · 10.1098/rspa.1932.0165

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  • For the mode coupling stages of the process, the problem can be described by analogy with the Landau-Zener model.

    “For the mode coupling stages of the process, the problem can be described by analogy with the Landau-Zener (LZ) model [48, 49].”

    From Quantisation of the elliptical Penning trap (2021) · cites this paper as [49]

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Authors
Zener, C.
Affiliations
National Research Fellow of U. S. A.
Corresponding author
Zener, Clarence
Venue
Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical Character
Published
1932-09-01
Volume
137
Issue
833
Pages
696-702
ISSN
  • 0950-1207 (ISSN-L)
  • 2053-9150
OpenAlex
W1981659415
Cited by
4,572
References
0
Citations by year
2026: 92 · 2025: 129 · 2024: 121 · 2023: 141 · 2022: 147 · 2021: 137 · 2020: 138 · 2019: 158 · 2018: 173 · 2017: 156 · 2016: 156 · 2015: 145 · 2014: 160 · 2013: 164 · 2012: 116
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical Character (publishedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Chemical Physics Studies
Keywords
energy level crossing, molecular electronic states, diatomic molecules, adiabatic approximation

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