Subsets of configurations and canonical partition functions

被引：13

作者：

Bloch, Jacques ^{[1
]}

Bruckmann, Falk ^{[1
]}

Kieburg, Mario ^{[2
]}

Splittorff, K. ^{[3
]}

Verbaarschot, J. J. M. ^{[2
]}

机构：

[1] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany

[2] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[3] Univ Copenhagen, Discovery Ctr, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

来源：

PHYSICAL REVIEW D | 2013年 / 87卷 / 03期

关键词：

QCD DIRAC OPERATOR; MATRIX; DENSITY;

D O I：

10.1103/PhysRevD.87.034510

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We explain the physical nature of the subset solution to the sign problem in chiral random matrix theory: the subset sum over configurations is shown to project out the canonical determinant with zero quark charge from a given configuration. As the grand canonical chiral random matrix partition function is independent of the chemical potential, the zero-quark-charge sector provides the full result. DOI: 10.1103/PhysRevD.87.034510

引用

页数：5

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