ROTATIONAL INVARIANCE IN LIGHT-CONE QUANTIZATION

被引：62

作者：

BURKARDT, M

LANGNAU, A

机构：

[1] Stanford Linear Accelerator Center, Stanford University, Stanford

来源：

PHYSICAL REVIEW D | 1991年 / 44卷 / 12期

关键词：

D O I：

10.1103/PhysRevD.44.3857

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the study of the decay of a heavy scalar particle at rest in the Yukawa model at the one- and two-loop levels, it is shown explicitly that naive light-cone quantization leads to a violation of rotational invariance. Noncovariant counterterms are constructed in detail to restore Lorentz covariance. An analysis of surface and zero-mode contributions clarifies the origin of the problem.

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页码：3857 / 3867

页数：11

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