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Cited by 667

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Adiabatic density-functional perturbation theory

Gonze, Xavier·1995·Physical Review A

Abstract

The treatment of adiabatic perturbations within density-functional theory is examined, at arbitrary order of the perturbation expansion. Due to the extremal property of the energy functional, standard variation-perturbation theorems can be used. The different methods (Sternheimer equation, extremal principle, Green's function, and sum over state) for obtaining the perturbation expansion of the wave functions are presented. The invariance of the Hilbert space of occupied wave functions with respect to a unitary transformation leads to the definition of a ``parallel-transport-gauge'' and a ``diagonal-gauge'' perturbation expansion. Then, the general expressions are specialized for the second, third, and fourth derivative of the energy, with an example of application of the method up to third order.

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Metadata

Authors
Gonze, X.
Venue
Physical Review A
Published
1995-08-01
Volume
52
Issue
2
Pages
1096-1114
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W2082050320
Cited by
667
References
42
FWCI
3.66
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Adiabatic density-functional perturbation theory. https://app.cochat.ai/papers/10.1103/physreva.52.1096
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Gonze, X. (1995). Adiabatic density-functional perturbation theory. Physical Review A. https://doi.org/10.1103/physreva.52.1096

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