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Conformal correlators and AdS_2/CFT_1

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If you have a question about this talk, please contact Bipasha Chakraborty .

Wilson lines are a prototypical example of defect in QFT . I will consider the defect CFT _1 defined by correlators of operator insertions on a supersymmetric Wilson line in the d=3 superconformal ABJM model, illustrating how superspace techniques, analytic bootstrap and direct Witten diagrammatics can be used, combined with holography, to find its CFT data. I will then present a nonperturbative definition of Mellin amplitude for more general CFT _1 four-point correlators, and describe the use of this formalism to derive new results.

This talk is part of the Theoretical Physics Colloquium series.

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