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Particle-hole gel'fand states and quasidegenerate perturbation theory

✍ Scribed by F. A. Matsen

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
375 KB
Volume
20
Category
Article
ISSN
0020-7608

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πŸ“œ SIMILAR VOLUMES

Adiabatic perturbation theory for the de
Adiabatic perturbation theory for the degenerate case. I. Perturbation of isolated degenerate or quasidegenerate levels
✍ Yuri Dmitriev πŸ“‚ Article πŸ“… 1975 πŸ› John Wiley and Sons 🌐 English βš– 455 KB

## Abstract Adiabatic formulae for secular operators and contracted Hamiltonians in an arbirary combination of degenerate or quasidegenerate subspaces are derived. A detailed consideration of the adiabatic limit in the power series is given, and β€œstability” of proper linear combinations with respec