A study of some approximations of the pairing force
✍ Scribed by J. Högaasen-Feldman
- Publisher
- Elsevier Science
- Year
- 1961
- Weight
- 410 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0029-5582
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📜 SIMILAR VOLUMES
A computational method based on a rapidly convergent form of the unlinked cluster expansion is presented, &&G's CoupIed-pair approximation (CPA) is derived in a basis of partially non-orthogonal orbitals which transform each palr function to diagonal form; this produces a simple (non-variational) se
By means of numerical examples in one dimensional Hamiltonian problems, we study the behavior of the approximation scheme known as the New Tamm-Dancoff method. It is concluded that for good convergence of this, and other related methods, one should arrange to start with a symmetric set of equations.