Estimates of higher-dimensional vacuum condensates from the instanton vacuum

被引：5

作者：

Polyakov, MV ^{[1
]}

Weiss, C

机构：

[1] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany

[2] Petersburg Nucl Phys Inst, St Petersburg 188350, Russia

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.57.4471

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the values of nonfactorizable dimension-7 vacuum condensates in the instanton vacuum. We compare our results with results of a method, recently proposed by Oganesian, in which the dimension-7 condensates are estimated by factorization of dimension-10 condensates in various inequivalent ways. The instanton estimates can be used to analyze the stability of QCD sum rules with increasing dimensions. [S0556-2821(98)04607-4].

引用

页码：4471 / 4474

页数：4

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