Spin Susceptibility in Neutron Matter from Quantum Monte Carlo Calculations

被引：3
|
作者：
Riz, Luca [1 ,2 ]
Pederiva, Francesco [1 ,2 ]
Lonardoni, Diego [3 ,4 ]
Gandolfi, Stefano [4 ]
机构：
[1] Univ Trento, Dipartimento Fis, Via Sommar 14, I-38123 Trento, Italy
[2] Trento Inst Fundamental Phys & Applicat, INFN TIFPA, I-38123 Trento, Italy
[3] Michigan State Univ, Facil Rare Isotope Beams, E Lansing, MI 48824 USA
[4] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA
来源：
PARTICLES | 2020年 / 3卷 / 04期
关键词：
spin susceptibility; neutron matter; quantum Monte Carlo;
D O I：
10.3390/particles3040046
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The spin susceptibility in pure neutron matter is computed from auxiliary field diffusion Monte Carlo calculations over a wide range of densities. The calculations are performed for different spin asymmetries, while using twist-averaged boundary conditions to reduce finite-size effects. The employed nuclear interactions include both the phenomenological Argonne AV8 ' + UIX potential and local interactions that are derived from chiral effective field theory up to next-to-next-to-leading order.
引用
收藏
页码：706 / 718
页数：13
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