2021-04-22 11:42 |
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Non-abelian infrared divergences on the celestial sphere
/ Magnea, Lorenzo
We consider the infrared factorisation of non-abelian multi-particle scattering amplitudes, and we study the form of the universal colour operator responsible for infrared divergences, when expressed in terms of coordinates on the `celestial sphere' intersecting the future light-cone at asymptotic distances. [...]
CERN-TH-2021-063 ; arXiv:2104.10254.
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23 p.
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2021-04-22 11:42 |
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D-branes and Orbit Average
/ Yang, Peihe (Tianjin U.) ; Jiang, Yunfeng (CERN ; Southeast U., Nanjing) ; Komatsu, Shota (CERN ; Princeton, Inst. Advanced Study) ; Wu, Jun-Bao (Tianjin U. ; PCFT, Hefei ; Peking U., CHEP)
We study correlation functions of D-branes and a supergravity mode in AdS, which are dual to structure constants of two sub-determinant operators with large charge and a BPS single-trace operator. [...]
arXiv:2103.16580 ; CERN-TH-2021-043 ; USTC-ICTS/PCFT-21-15.
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52 p.
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