Conserved quantities and the algebra of braid excitations in quantum gravity

被引：7
|
作者：
He, Song [2 ]
Wan, Yidun [1 ,3 ]
机构：
[1] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada
[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[3] Univ Waterloo, Dept Phys, Waterloo, ON N2J 2W9, Canada
来源：
NUCLEAR PHYSICS B | 2008年 / 804卷 / 1-2期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1016/j.nuclphysb.2008.06.021
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We derive conservation laws front interactions of braid-like excitations of embedded framed spin networks in quantum gravity. We also demonstrate that the set of stable braid-like excitations form a noncommutative algebra under braid interaction, in which the set of actively-interacting braids is a subalgebra. (C) 2008 Elsevier B.V. All rights reserved.
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页码：286 / 306
页数：21
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