Spin susceptibility of neutron matter at zero temperature

Details Spin susceptibility of neutron matter at zero temperature Spin susceptibility of neutron matter at zero temperature

2001-06-12

arxiv.org/abs/nucl-th/0106026v2

Phys.Rev.Lett.87:181101,2001

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevLett.87.181101

The Auxiliary Field Diffusion Monte Carlo method is applied to compute the spin susceptibility and the compressibility of neutron matter at zero temperature. Results are given for realistic interactions which include both a two-body potential of the Argonne type and the Urbana IX three-body potential. Simulations have been carried out for about 60 neutrons. We find an overall reduction of the spin susceptibilty by about a factor 3 with respect to the Pauli susceptibility for a wide range of densities. Results for the compressibility of neutron matter are also presented and compared with other available estimates obtained for semirealistic nucleon-nucleon interactions by using other techniques.

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