Twisting and κ-Poincare

被引：16
|
作者：
Borowiec, Andrzej [1 ]
Lukierski, Jerzy [1 ]
Pachol, Anna [2 ]
机构：
[1] Univ Wroclaw, Inst Theoret Phys, PL-50206 Wroclaw, Poland
[2] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2014年 / 47卷 / 40期
关键词：
quantum groups; twist deformation; kappa-Poincare algebra; DEFORMATIONS; ALGEBRA;
D O I：
10.1088/1751-8113/47/40/405203
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate that the coproduct of D = 2 and D = 4 quantum kappa-Poincare algebras in a classical algebra basis cannot be obtained by a cochain twist depending only on Poincare algebra generators. We also argue that the nonexistence of such a twist does not imply the nonexistence of a universal R-matrix.
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页数：12
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