PARADOXICAL KINEMATIC ACAUSALITY IN WEINBERG EQUATIONS FOR MASSLESS PARTICLES OF ARBITRARY SPIN

被引：25
|
作者：
AHLUWALIA, DV
ERNST, DJ
机构：
来源：
MODERN PHYSICS LETTERS A | 1992年 / 7卷 / 22期
关键词：
D O I：
10.1142/S0217732392001683
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Weinberg's equations for massless free particles of arbitrary spin are found to have acausal solutions. On the other hand, the m --> 0 limit of Joos-Weinberg's finite-mass wave equations satisfied by (j, 0) + (0, j) covariant spinors are free from all kinematic acausality. This paradoxical situation is resolved and corrected by carefully studying the transition from the classical group theoretical arguments to quantum mechanically interpreted equations.
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页码：1967 / 1974
页数：8
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