New limits on Planck scale Lorentz violation in QED

被引：141

作者：

Jacobson, T ^{[1
]}

Liberati, S

Mattingly, D

Stecker, FW

机构：

[1] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[2] NASA, Goddard Space Flight Ctr, LHEA, Greenbelt, MD 20771 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.93.021101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Constraints on possible Lorentz symmetry violation (LV) of order E/M-Planck for electrons and photons in the framework of effective field theory (EFT) are discussed. Using (i) the report of polarized MeV emission from GRB021206 and (ii) the absence of vacuum Cerenkov radiation from synchrotron electrons in the Crab Nebula, we improve previous bounds by 10(-10) and 10(-2), respectively. We also show that the LV parameters for positrons and electrons are different, discuss electron helicity decay, and investigate how prior constraints are modified by the relations between LV parameters implied by EFT.

引用

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页码：021101 / 1

页数：4

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