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Relativistic adiabatic perturbation theory for degenerate levels

✍ Scribed by M. A. Braun; A. D. Gurchumeliya

Book ID
112461736
Publisher
SP MAIK Nauka/Interperiodica
Year
1980
Tongue
English
Weight
615 KB
Volume
45
Category
Article
ISSN
0040-5779

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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

Adiabatic perturbation theory for the de
Adiabatic perturbation theory for the degenerate case. II. Perturbation of degenerate bound states embedded in the continuum
✍ Yuri Dmitriev πŸ“‚ Article πŸ“… 1975 πŸ› John Wiley and Sons 🌐 English βš– 315 KB

## Abstract An adiabatic formula for the contracted Hamiltonian in a reference space containing bound‐state eigenfunctions of degenerate energy levels embedded in the continuum is derived. A general factorization theorem for the dynamic operator__S__~Ξ±~(0, – ∞/Ξ») is proved, and the cancellation of