U(1) WITHOUT INSTANTONS

被引：1181

作者：

VENEZIANO, G

机构：

[1] CERN, Geneva

来源：

NUCLEAR PHYSICS B | 1979年 / 159卷 / 1-2期

关键词：

D O I：

10.1016/0550-3213(79)90332-8

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Witten's recent proposal that the U(1) problem might be solved in 1/N expanded QCD, is shown to be automatically consistent with expected θ dependences and anomalous Ward identities, if a (modified) Kogut-Susskind mechanism is used. Ward identities are algebraically saturated for large N. A sort of partial conservation of the U(1) current" is found to hold for the "η" field. © 1979."

引用

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页码：213 / 224

页数：12

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