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Many-body theory of core holes

Cederbaum, L. S., Domcke, W., Schirmer, J.·1980·Physical Review A

Abstract

An electronic Hamiltonian appropriate for describing core-hole processes is derived and its properties are discussed. Based on this Hamiltonian a many-body theory is presented, and a useful linked-cluster theorem is proven. A distinction between relaxation and correlation terms can be made in each order of the perturbation expansion. Under certain well-defined conditions the core-ionization process can be visualized as a Franck-Condon transition between two multidimensional potential-energy surfaces in an abstract bosonic space. The corresponding approximation, the boson approximation, is discussed and applied to the water molecule.

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Metadata

Authors
Cederbaum, L. S., Domcke, W., & Schirmer, J.
Venue
Physical Review A
Published
1980-07-01
Volume
22
Issue
1
Pages
206-222
ISSN
0556-2791 (ISSN-L)
OpenAlex
W2037063690
Cited by
324
References
0
FWCI
3.84
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Many-body theory of core holes. https://app.cochat.ai/papers/10.1103/physreva.22.206
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Cederbaum, L. S., Domcke, W., & Schirmer, J. (1980). Many-body theory of core holes. Physical Review A. https://doi.org/10.1103/physreva.22.206

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