Paper
Hartree-Fock Theory for Neutron Matter with Bare Two-body Interaction and Three-body Interaction
- Authors:
- Jinniu Hu; Hiroshi Toki; Wu Wen; Hong Shen
- Abstract
- The properties of neutron matter is studied in the Hartree-Fock theory with a bare meson-exchange nucleon-nucleon interaction and Urbana IX three-body interaction. We find that the energy contribution from tensor interaction is very small in neutron matter, which consists of only the two-body isospin triplet channel ( ). The strong repulsive interaction between two nucleons in the short distance is treated by unitary correlation operator method (UCOM). The equation of state (EOS) in our calculation only with the Bonn potential agrees with the one of AV18 potential including the relativistic boost effect in the variational method for neutron matter. The three-body interaction is also introduced in this framework to improve the properties of neutron matter in higher density region.
- Keywords
- Hartree-Fock; Neutron Matter; UCOM; Three-body Interaction
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