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Weak self-consistent approximation scheme in many-body systems

✍ Scribed by U. Brandt; H. Leschke


Publisher
Springer
Year
1973
Tongue
English
Weight
406 KB
Volume
260
Category
Article
ISSN
0939-7922

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πŸ“œ SIMILAR VOLUMES


Single-Particle Self-Energy in Many-Body
✍ N. Giovanardi; P. Donati; P.F. Bortignon; R.A. Broglia πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 253 KB

The properties of the self-energy of single-particle states in different many-body systems are studied as a function of the excitation energy | and of the temperature T of the system. Two cases are considered: the coupling to uncorrelated and to correlated particle-hole excitations.