ACCELERATING WILSON FERMION MATRIX INVERSIONS BY MEANS OF THE STABILIZED BICONJUGATE GRADIENT ALGORITHM

被引：84

作者：

FROMMER, A ^{[1
]}

HANNEMANN, V ^{[1
]}

NOCKEL, B ^{[1
]}

LIPPERT, T ^{[1
]}

SCHILLING, K ^{[1
]}

机构：

[1] UNIV GESAMTHSCH WUPPERTAL,DEPT PHYS,D-42097 WUPPERTAL,GERMANY

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS C-PHYSICS AND COMPUTERS | 1994年 / 5卷 / 06期

关键词：

LATTICE QCD; RELAXATION ALGORITHM; PARALLEL COMPUTER;

D O I：

10.1142/S012918319400115X

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The stabilized biconjugate gradient algorithm BiCGStab recently presented by van der Vorst is applied to the inversion of the lattice fermion operator in the Wilson formulation of lattice Quantum Chromodynamics. Its computational efficiency is tested in a comparative study against the conjugate gradient and minimal, residual methods. Both for quenched gauge configurations at beta = 6.0 and gauge configurations with dynamical fermions at beta = 5.4, we find BiCGStab to be superior to the other methods. BiCGStab turns out to be particularly useful in the chiral regime of small quark masses.

引用

页码：1073 / 1088

页数：16

共 22 条

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