-Matrix Expansion for the Ground-State Energy of a Many-Fermion System
- 1 September 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 2 (3) , 841-858
- https://doi.org/10.1103/physrevc.2.841
Abstract
The -matrix expansion for the ground-state energy of a many-fermion system is carried through fourth order. We evaluate this expansion for a potential modeled after the nucleon-nucleon one. The calculation is described in detail. We find that the "hole-line" approximation seems to underestimate the attraction so that a hard-core force may well be consistent with the experimental binding energy of large nuclei.
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