The role of tensor force in nuclear matter saturation

Details The role of tensor force in nuclear matter saturation The role of tensor force in nuclear matter saturation

1997-11-14

arxiv.org/abs/nucl-th/9711029v1

Phys.Rev.C58:2120-2125,1998

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 figs

Scientific paper

10.1103/PhysRevC.58.2120

Using a relativistic Dirac-Brueckner analysis the pion contribution to the ground state energy of nuclear matter is studied. Evidence is presented that the role of the tensor force in the saturation mechanism is substantially reduced compared to its dominant role in a usual non-relativistic treatment. The reduction of the pion contribution in nuclear matter is due to many-body effects present in a relativistic treatment. In particular, we show that the damping of OPEP is actually due to the decrease of $M^*/M$ with increasing density.

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