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Variational calculation of the ground-state energy of the bound polaron

โœ Scribed by W.J. Huybrechts


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
185 KB
Volume
27
Category
Article
ISSN
0038-1098

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On the ground state energy of a polaron
โœ K.G. Chakraborty ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 288 KB

A new decoupling approximation has been introduced in the Green's function equation-of-motion analysis of the large polaron. Considering those Feynman diagrams which correspond to the two-phonon Tamm-Dancoff approximations an expression for the polaron ground state energy has been derived. It is fou