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arXiv 0907.3195hep-thmath-phmath.MP
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玻色单例的显共形描述和高阶对称性

Manifestly Conformal Descriptions and Higher Symmetries of Bosonic Singletons

Xavier Bekaert, Maxim Grigoriev

摘要:

通常的共形场的环境空间方法是基于将d维共形空间识别为平坦d+2维环境空间中的狄拉克投影超锥。在这项工作中,我们明确地集中在任何整数自旋的单态,并提出了一种方法,允许一个有地方性和共形对称性的表现。这是通过在光纤中而不是在时空中使用环境空间表示来实现的。这种方法使我们能够刻画任意玻色子单粒子的高阶对称子代数,它是反德西特时空上混合对称规范场的候选高阶自旋代数。此外,我们认为,这个代数实际上用尽所有更高的对称性。

英文摘要:

The usual ambient space approach to conformal fields is based on identifying the d-dimensional conformal space as the Dirac projective hypercone in a flat d+2-dimensional ambient space. In this work, we explicitly concentrate on singletons of any integer spin and propose an approach that allows one to have both locality and conformal symmetry manifest. This is achieved by using the ambient space representation in the fiber rather than in spacetime. This approach allows us to characterize a subalgebra of higher symmetries for any bosonic singleton, which is a candidate higher-spin algebra for mixed symmetry gauge fields on anti de Sitter spacetime. Furthermore, we argue that this algebra actually exhausts all higher symmetries.

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