Bounds on the energy exchange and freezing of the actions in the Holstein model
β Scribed by D. Hennig
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 500 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0167-2789
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π SIMILAR VOLUMES
The bound states of two electrons in the adiabatic Holstein-Hubbard model are studied numerically in one and two dimensions from the anticontinuous limit. This mode1 involves acompetition between a local electron-phonon coupling (with a classical lattice) which tends to form pairs ofelectrons and th
The optimal mixing coefficient C of the exchange energy E x and the electron-electron interaction part of the exchange-correlation energy W : ? in the formula for the total exchange-correlation energy E x , was expressed through the ratio of the kinetic T, and potential W, contributions to the corr