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Effect of a debye cutoff on the ground-state energy of the Fröhlich polaron

✍ Scribed by Y. Lépine


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
310 KB
Volume
80
Category
Article
ISSN
0038-1098

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📜 SIMILAR VOLUMES


On the ground state energy of a polaron
✍ K.G. Chakraborty 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 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