SEMICLASSICAL GRAVITY AND INVISIBLE AXIONS

被引：10
|
作者：
HOLMAN, R
KEPHART, TW
REY, SJ
机构：
[1] YALE UNIV,CTR THEORET PHYS,NEW HAVEN,CT 06511
[2] CARNEGIE MELLON UNIV,DEPT PHYS,PITTSBURGH,PA 15213
[3] VANDERBILT UNIV,DEPT PHYS & ASTRON,NASHVILLE,TN 37235
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.71.320
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show that charged Eguchi-Hanson instantons represent a calculable, intrinsic quantum gravity breaking of the Peccei-Quinn symmetry. The size of such breaking depends sensitively on the short-distance details of a given theory, but is generically suppressed by multifermion zero modes. We also explain conditions to solve the strong-CP and the domain wall problems under such quantum gravity effects.
引用
收藏
页码：320 / 323
页数：4
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