论文标题
较高的自旋de Sitter准模式
Higher spin de Sitter quasinormal modes
论文作者
论文摘要
我们使用环境空间形式主义在$ d $ d $二维的de Sitter Spacetime中以代数为代数。准模式属于$ \ mathfrak {so}（1，d）$的两个非独立的最低权重表示。从局部QFT的角度来看，无质量较高自旋场的最低重量级模式是由量规不变的边界保守电流和插入过去边界南极插入的边界的高旋转韦尔张子产生的。我们还表明，无质量/大型旋转$ s $字段的准频谱精确地编码在与统一的无质量/巨大旋转 - $ s $ $ $ \ text {so}（so}（1，d）$表示相对应的harish-chandra字符中。
We construct higher spin quasinormal modes algebraically in $D$-dimensional de Sitter spacetime using the ambient space formalism. The quasinormal modes fall into two nonunitary lowest-weight representations of $\mathfrak{so}(1, D)$. From a local QFT point of view, the lowest-weight quasinormal modes of massless higher spin fields are produced by gauge-invariant boundary conserved currents and boundary higher-spin Weyl tensors inserted at the southern pole of the past boundary. We also show that the quasinormal spectrum of a massless/massive spin-$s$ field is precisely encoded in the Harish-Chandra character corresponding to the unitary massless/massive spin-$s$ $\text{SO}(1, D)$ representation.
