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

页码：706 / 718

页数：13

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