Gauge theory formulations for continuous and higher spin fields

被引:33
|
作者
Rivelles, Victor O. [1 ]
机构
[1] Univ Sao Paulo, Inst Fis, BR-05314970 Sao Paulo, SP, Brazil
来源
PHYSICAL REVIEW D | 2015年 / 91卷 / 12期
基金
巴西圣保罗研究基金会;
关键词
POINCARE GROUP; MASSLESS PARTICLES; REPRESENTATIONS;
D O I
10.1103/PhysRevD.91.125035
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We consider a gauge theory action for continuous spin particles formulated in a spacetime enlarged by an extra coordinate recently proposed by Schuster and Toro. It requires one scalar gauge field and has two local symmetries. We show that the local symmetries are reducible in the sense that the parameters also have a local symmetry. Using reducibility we get an action which has two scalar gauge fields and a reducible but simpler local symmetry. We then show how this action and equations of motion are related to previously proposed formulations for continuous spin particles and higher spin theories. We also discuss the physical contents of each formulation to reveal the physical degrees of freedom.
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页数:10
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