CONSTRAINING LORENTZ INVARIANCE VIOLATION WITH FERMI

被引：0
|
作者：
Vasileiou, V. [1 ]
机构：
[1] NASA, Goddard Space Flight Ctr, 8800 Greenbelt Rd, Greenbelt, MD 20771 USA
来源：
PROCEEDINGS OF THE FIFTH MEETING ON CPT AND LORENTZ SYMMETRY | 2011年
关键词：
QUANTUM-GRAVITY;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
One of the cornerstones of special relativity is the postulate that all observers measure exactly the same photon speeds independently of the photon energies. However, a hypothesized structure of spacetime may alter this conclusion at ultra-small length scales. Even a tiny energy-dependent variation in the speed of light may be revealed, when accumulated over cosmological light travel times, by high temporal-resolution measurements of sharp features in gamma-ray burst (GRB) lightcurves. We report the results of a study of the emission from GRB 090510 as detected by Fermi's LAT and GBM instruments that set unprecedented limits on the dependence of the speed of light on its energy.
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收藏
页码：138 / 142
页数：5
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