Poincare invariant algebra from instant to light-front quantization

被引：19

作者：

Ji, CR ^{[1
]}

Mitchell, C ^{[1
]}

机构：

[1] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

来源：

PHYSICAL REVIEW D | 2001年 / 64卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.64.085013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the Poincare algebra interpolating between instant and light-front time quantizations. The angular momentum operators satisfying SU(2) algebra are constructed in an arbitrary interpolation angle and shown to be identical to the ordinary angular momentum and Leutwyler-Stern angular momentum in the instant and light-front quantization limits, respectively. The exchange of the dynamical role between the transverse angular mometum and the boost operators is manifest in our newly constructed algebra.

引用

页数：11

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