Electric dipole moments as probes of CPT invariance

被引：24

作者：

Bolokhov, Pavel A. ^{[1
,2
]}

Pospelov, Maxim ^{[1
,3
]}

Romalis, Michael ^{[4
]}

机构：

[1] Univ Victoria, Dept Phys & Astron, Victoria, BC V8P 1A1, Canada

[2] St Petersburg State Univ, Dept Theoret Phys, St Petersburg 198504, Russia

[3] Perimeter Inst Theoret Phys, Waterloo, ON N2J 2W9, Canada

[4] Princeton Univ, Dept Phys, Princeton, NJ 08550 USA

来源：

PHYSICAL REVIEW D | 2008年 / 78卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.78.057702

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Electric dipole moments (EDMs) of elementary particles and atoms probe violations of T and P symmetries and consequently of CP if CPT is an exact symmetry. We point out that EDMs can also serve as sensitive probes of CPT-odd, CP-even interactions, that are not constrained by any other existing experiments. Analyzing models with spontaneously broken Lorentz invariance, we calculate EDMs in terms of the leading CPT-odd operators to show that experimental sensitivity probes the scale of CPT breaking as high as 10(12) GeV.

引用

页数：4

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