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Cited by 1,189

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Termaufspaltung in Kristallen

Bethe, H.·1929·Annalen der Physik

Abstract

Der Einfluß eines elektrischen Feldes von vorgegebener Symmetrie (Kristallfeld) auf ein Atom wird wellenmechanisch behandelt. Die Terme des Atoms spalten auf in einer Weise, die von der Symmetrie des Feldes und vom Drehimpuls l (bzw. j) des Atoms abhängt. s‐Terme spalten allgemein, p‐Terme in Feldern von kubischer Symmetrie nicht auf. Für den Fall, daß die einzelnen Elektronen des Atoms separat behandelt werden dürfen (aufgehobene Wechselwirkung im Atom), werden zu jedem Term im Kristall die Eigenfunktionen nullter Näherung angegeben; aus diesen ergibt sich eine für den Term charakteristische Gruppierung der Elektronendichte nach den Symmetrieachsen des Kristalls. — Die Gr öß e der Termaufspaltung bewegt sich in der Ordnung einiger hundert cm−1. — Bei tetragonaler Symmetrie kann ein quantitatives Maß für die Abweichung von der kubischen Symmetrie definiert werden, welches eindeutig die stabilste Elektronenanordnung im Kristall bestimmt.

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Metadata

Authors
Bethe, H.
Venue
Annalen der Physik
Publisher
Wiley
Published
1929-01
Volume
395
Issue
2
Pages
133-208
ISSN
  • 0003-3804 (ISSN-L)
  • 1521-3889
OpenAlex
W2024011040
Cited by
1,189
References
1
FWCI
14.84
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Termaufspaltung in Kristallen. https://app.cochat.ai/papers/10.1002/andp.19293950202
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Bethe, H. (1929). Termaufspaltung in Kristallen. Annalen der Physik. https://doi.org/10.1002/andp.19293950202

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