Spacetime-varying couplings and Lorentz violation

被引：183

作者：

Kostelecky, VA ^{[1
]}

Lehnert, R

Perry, MJ

机构：

[1] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[2] Univ Algarve, Area Departamental Fis, CENTRA, P-8000117 Faro, Portugal

[3] Univ Cambridge, DAMTP, Cambridge CB3 0WA, England

来源：

PHYSICAL REVIEW D | 2003年 / 68卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.68.123511

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Spacetime-varying coupling constants can be associated with violations of local Lorentz invariance and CPT symmetry. An analytical supergravity cosmology with a time-varying fine-structure constant provides an explicit example. Estimates are made for some experimental constraints.

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页数：5

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