State-operator correspondence in celestial conformal field theory

State-operator correspondence in celestial conformal field theory
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天体共形场论中的状态算子对应

DOI:
10.1007/jhep09(2021)132
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发表时间:
2021
影响因子:
5.4
通讯作者:
Strominger, Andrew
Strominger, Andrew
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Crawley, Erin;Miller, Noah;Narayanan, Sruthi A.;Strominger, Andrew

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4D天体全息术的体-边界词典给出了一个新的词条,定义了生活在天球上定向圆上的2D边界态。使用2D CFT状态算符对应的2DCFT状态算符来构建状态,该算符插入对应于穿过圆内天球的传入或传出粒子。BPZ结构被应用于给出这样的状态的内积,这些状态的关联的主体伴随被证明涉及到阴影变换。然后,散射幅度由BPZ的内积给出,这些态位于同一个圆上,但方向相反。研究发现,2D边界态编码的信息与其4D体相应态相同,但组织方式却截然不同。
The bulk-to-boundary dictionary for 4D celestial holography is given a new entry defining 2D boundary states living on oriented circles on the celestial sphere. The states are constructed using the 2D CFT state-operator correspondence from operator insertions corresponding to either incoming or outgoing particles which cross the celestial sphere inside the circle. The BPZ construction is applied to give an inner product on such states whose associated bulk adjoints are shown to involve a shadow transform. Scattering amplitudes are then given by BPZ inner products between states living on the same circle but with opposite orientations. 2D boundary states are found to encode the same information as their 4D bulk counterparts, but organized in a radically different manner.
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