Particle velocity in noncommutative space-time

被引：13
|
作者：
Tamaki, T [1 ]
Harada, T
Miyamoto, U
Torii, T
机构：
[1] Waseda Univ, Dept Phys, Shinjuku Ku, Tokyo 1698555, Japan
[2] Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 10期
关键词：
D O I：
10.1103/PhysRevD.66.105003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate particle velocity in kappa-Minkowski space-time, which is one of the realizations of noncommutative space-time. We emphasize that arrival time analyses by high-energy gamma rays or neutrinos, which have been considered as powerful tools to restrict the violation of Lorentz invariance, are not effective in detecting space-time noncommutativity. In contrast with these examples, we point out the possibility that low-energy massive particles play an important role in detecting it.
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页数：6
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