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Exact Ground State Energy of the Strong-Coupling Polaron

โœ Scribed by E. H. Lieb; L. E. Thomas


Publisher
Springer
Year
1997
Tongue
English
Weight
115 KB
Volume
183
Category
Article
ISSN
0010-3616

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๐Ÿ“œ SIMILAR VOLUMES


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