Published 1985
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Diagrams in the polaron model
Description
The perturbation theory for the polaron energy is systematically treated on the diagrammatic basis. Feynman diagrams being constructed allow to calculate the polaron energy up to the third order in powers of the coupling constant. Similar calculations are performed for the average number of virtual phonons
Availability note (English)
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18029338.pdf
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Additional details
Publishing Information
- Imprint Pagination
- 18 p.
- Report number
- JINR-E--17-85-222
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 18029338
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- COUPLING CONSTANTS; FEYNMAN DIAGRAM; KINETIC ENERGY; PERTURBATION THEORY; PHONONS; POLARONS
- Descriptors DEC
- DIAGRAMS; ENERGY; INFORMATION; QUASI PARTICLES
Optional Information
- Notes
- 15 refs.; submitted to the iournal Teor. Mat. Fiz.