NEUTRON GAS
The neutron-neutron potential is assundcd to be wellbehaved and velocity- dependent. Perturbation theory is then applied to find the energy per particle of a neutron gas, in the range of Fermi wave numbers 0.5 < k/sub f/ < 2 f /sup -1/ . The energy through first order is found in closed form, or by a single numerical integration. Two different velocitydependent potentials are used that are adjusted to fit observed nucleon-nucleon /sup 1/S and /sup 1/D phase shifts. In the range of densities 0.5 < kf < l f-0, these two potentials give nearly the same energy/particle (within 0.5 Mev). Wider divergences appear at higher densities. A crude estimate of the second-order energy for these potentials indicates that perturbation theory converges rapidly in the density range considered. The results suggest that at moderately low densities the energy/ particle in a many-body system is insensitive to the shape or nonlocal character of the assumed two-body potential. (auth)
- Research Organization:
- Louisiana State Univ., Baton Rouge
- NSA Number:
- NSA-16-003663
- OSTI ID:
- 4827827
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 124; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
Similar Records
THE TENSOR INTERACTION AND NUCLEAR MATTER
Implementing Chiral Three-Body Forces in Terms of Medium-Dependent Two-Body Forces