Yang-Mills instantons in the gravitational instanton backgrounds

被引：9

作者：

Kim, HS ^{[1
]}

Yoon, YS ^{[1
]}

机构：

[1] Hanyang Univ, Dept Phys, Seoul 133791, South Korea

来源：

PHYSICS LETTERS B | 2000年 / 495卷 / 1-2期

关键词：

Yang-Mills instanton; meron; gravitational instanton;

D O I：

10.1016/S0370-2693(00)01224-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The simplest and the most straightforward new algorithm for generating solutions to (anti) self-dual Yang-Mills (YM) equation in the typical gravitational instanton backgrounds is proposed. When applied to the Taub-NUT and the Eguchi-Hanson metrics, the two best-known gravitational instantons, the solutions turn out to be the rather exotic type of instanton configurations carrying finite YM action but generally fractional topological charge values. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：169 / 175

页数：7

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