General Hartree–Fock method and symmetry breaking in quantum dots
✍ Scribed by Fabio Cavaliere; Umberto De Giovannini
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 193 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1386-9477
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📜 SIMILAR VOLUMES
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.
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Symmetry properties of different solutions for singlet and triplet states of some simple molecules are investigated in the framework of the half-projected Hartree-Fock (HPHF) method. HPHF initial-guess functions were obtained by using mixtures with, or substitutions by, virtual orbitals of restricte