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arXiv 1408.3576hep-th
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连续和高自旋场的规范理论公式

Gauge Theory Formulations for Continuous and Higher Spin Fields

Victor O. Rivelles

摘要:

本文考虑Schuster和Toro最近提出的一个在一个额外坐标下扩大的时空中连续自旋粒子的规范理论作用量。它需要一个标量规范场,并有两个局部对称性。我们表明,局部对称性是可约的意义上说,参数也有一个局部对称性。利用约化方法,我们得到一个具有两个标量规范场和一个约化但更简单的局域对称性的作用量。然后,我们将展示如何这种行动和运动方程与先前提出的连续自旋粒子和更高的自旋理论的配方。我们还讨论了每个公式的物理内容,以揭示物理自由度。

英文摘要:

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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