The sum rule and two-nucleon correlations in nuclei
โ Scribed by A.G. Sitenko; I.V. Simenog
- Publisher
- Elsevier Science
- Year
- 1966
- Weight
- 551 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0029-5582
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๐ SIMILAR VOLUMES
The paper describes a method for the calculation of the approximate solution of the Schroedinger equation of finite Fermion systems. The method consist of approaching the exact solution in successive approximations. The first step is a Hartree-Fock calculation; the second step is the calculation of
The sum rule for the moments of the spectral density is discussed for the single-band Hubbard model. It is shown that respecting the sum rule up to the order m 3 is conceptually important for a qualitatively correct description of the quasi-particle band structure in the strong-correlation regime. D