Peccei-Quinn Mechanism in Gravity and the Nature of the Barbero-Immirzi Parameter

被引:58
|
作者
Mercuri, Simone [1 ]
机构
[1] Penn State Univ, Dept Phys, Inst Gravitat & Cosmos, Whitmore Lab, University Pk, PA 16802 USA
关键词
CP CONSERVATION; QUANTUM;
D O I
10.1103/PhysRevLett.103.081302
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A general argument provides the motivation to consider the Barbero-Immirzi parameter as a field. The specific form of the geometrical effective action allows one to relate the value of the Barbero-Immirzi parameter to other quantum ambiguities through the analog of the Peccei-Quinn mechanism.
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收藏
页数:4
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