Recent developments on LQCD studies of nuclear force

被引：4

作者：

Nemura, H. ^{[1
]}

机构：

[1] Univ Tsukuba, Ctr Computat Sci, Tsukuba, Ibaraki 3058577, Japan

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS E | 2014年 / 23卷 / 07期

关键词：

Lattice QCD; hyperon-nucleon interaction; few-body problem; HYPERON-NUCLEON; LATTICE; SCATTERING;

D O I：

10.1142/S0218301314610060

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Recent studies of (hyperonic) nuclear forces based on lattice QCD are presented. An energy independent nonlocal potential can be obtained from Nambu-Bethe-Salpeter wave function which is measured from the lattice QCD calculation with a set of interpolating fields of baryons, where a time-dependent Schrodinger equation in imaginary time is employed so as to avoid the exact ground state saturation in the numerical computation. The central and the tensor potentials of Lambda N and Sigma N with isospin I = 2/3 channels are presented as specific numerical examples. We also present an attempt to study the four-nucleon bound state problem using the lattice nuclear potential with stochastic variational method.

引用

页数：8

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