ASTROPHYSICAL TESTS OF LORENTZ AND CPT VIOLATION WITH PHOTONS

被引：144

作者：

Kostelecky, V. Alan ^{[1
]}

Mewes, Matthew ^{[2
]}

机构：

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

[2] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2008年 / 689卷 / 01期

关键词：

cosmic microwave background; galaxies: active; gamma rays: bursts; gravitation; relativity;

D O I：

10.1086/595815

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A general framework for tests of Lorentz invariance with electromagnetic waves is presented, allowing for operators of arbitrary mass dimension. Signatures of Lorentz violations include vacuum birefringence, vacuum dispersion, and anisotropies. Sensitive searches for violations using sources such as active galaxies, gamma-ray bursts, and the cosmic microwave background are discussed. Direction-dependent dispersion constraints are obtained on operators of dimension 6 and 8 using gamma-ray bursts and the blazar Markarian 501. Stringent constraints on operators of dimension 3 are found using 5 year data from the Wilkinson Microwave Anisotropy Probe. No evidence appears for isotropic Lorentz violation, while some support at 1 sigma is found for anisotropic violation.

引用

页码：L1 / L4

页数：4

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