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Spin Susceptibility of Neutron Matter at Zero Temperature

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint 15 Oct 2001Embargo end date: 01 Jan 2001Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 87 (issn: 0031-9007, eissn: 1079-7114,

Authors: Stefano Fantoni; Stefano Fantoni; Antonio Sarsa; Kevin Schmidt;

doi: 10.1103/physrevlett.87.181101 , 10.48550/arxiv.nucl-th/0106026 , 10.17877/de290r-11250

arXiv: http://arxiv.org/abs/nucl-th/0106026

Spin Susceptibility of Neutron Matter at Zero Temperature

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Abstract

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.

Related Organizations

The Abdus Salam International Centre for Theoretical Physics (ICTP)
Italy
International School for Advanced Studies
Italy
Arizona State University
United States

Keywords

Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences, 530

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