期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP08(2011)133
关键词
Gauge-gravity correspondence; AdS-CFT Correspondence; Duality in Gauge Field Theories; Conformal and W Symmetry
资金
- STFC
Four point functions of general N = 4 1/2-BPS primary fields, satisfying the next-next-to-extremality condition Delta(1)+Delta(2)+Delta(3)-Delta(4) = 4 are studied at large N and strong coupling. We apply new techniques to evaluate the effective couplings in supergravity, and confirm that the four derivative couplings arising in the five-dimensional supergravity vanish on-shell. We then show that the four point amplitude resulting from supergravity naturally splits into a free and an interactive part which resembles an effective quartic interaction. The precise structure agrees with superconformal symmetry and supports the conjecture formulated by Dolan, Osborn and Nirschl regarding the strongly coupled form of four point correlators of chiral primary operators. We also evaluate the amplitude in large N free field SYM theory and discuss the results in the context of the correspondence.
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