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Phonon Polarization Operator in the Random Phase Approximation

✍ Scribed by V. N. Kashcheev

Publisher
John Wiley and Sons
Year
1971
Tongue
English
Weight
469 KB
Volume
43
Category
Article
ISSN
0370-1972

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πŸ“œ SIMILAR VOLUMES

The phonon polarization operator in a fe
The phonon polarization operator in a ferromagnet at low temperatures
✍ V. K. Kashcheev πŸ“‚ Article πŸ“… 1971 πŸ› John Wiley and Sons 🌐 English βš– 429 KB

## Abstract The imaginary part of the phonon polarization operator and the renormalization of the sound velocity due to the spin‐phonon interaction are calculated in a cubic ferrodielectric for large atomic spins in the spin‐wave temperature region.

The self-consistent random phase approxi
The self-consistent random phase approximation
✍ N. Ostlund; M. Karplus πŸ“‚ Article πŸ“… 1971 πŸ› Elsevier Science 🌐 English βš– 485 KB

An analysis is made of the se&consistent random phase approxima%n (SC RPA) in whi& theground-state function satisfies the annihiIation corxlition. It is shown that the ground stE;te for a twoefectron system is identical with that obtained by a variational calculation including doublyexcited mnfiiura