Well known results of the strong coupling theory of the polaron are derived by simple variational methods (The Hartree-Fock and the Generator Coordinate Methods) based on coherent-state-wave-functions describing the electron surrounded by a phonon cloud.
On the Hartree-Fock solution in field theory
β Scribed by Yasushi Takahashi; Hiroomi Umezawa
- Publisher
- Elsevier Science
- Year
- 1964
- Weight
- 512 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0031-8914
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