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arXiv 1506.03328hep-th
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三维自相互作用标量场的共形高自旋展开方程

On the conformal higher spin unfolded equation for a three-dimensional self-interacting scalar field

Bengt E. W. Nilsson

摘要:

本文提出了三维共形高自旋系统与六阶势共形标量场耦合的场方程。标量场的高自旋方程和展开方程都有源项,并且都是基于一个共形高自旋代数,我们把它看作是在多标量场中的展开。给出了源项的显式表达式,并进行了简单的检验。我们还讨论了更高自旋规范理论的陈-西蒙斯作用量和一个包含每个自旋项的作用量之间的级联关系,该作用量将自旋2的陈-西蒙斯作用量推广到用标架场表示的自旋联系。这种级联性质在自旋为3的自由理论中得到了证明,但在完整的更高自旋理论中也应该起作用。

英文摘要:

We propose field equations for the conformal higher spin system in three dimensions coupled to a conformal scalar field with a sixth order potential. Both the higher spin equation and the unfolded equation for the scalar field have source terms and are based on a conformal higher spin algebra which we treat as an expansion in multi-commutators. Explicit expressions for the source terms are suggested and subjected to some simple tests. We also discuss a cascading relation between the Chern-Simons action for the higher spin gauge theory and an action containing a term for each spin that generalizes the spin 2 Chern-Simons action in terms of the spin connection expressed in terms of the frame field. This cascading property is demonstrated in the free theory for spin 3 but should work also in the complete higher spin theory.

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