Abstract
We extend recent results on semi-classical conformal blocks in 2d CFT and their relation to 3D gravity via the AdS/CFT correspondence. We consider four-point functions with two heavy and two light external operators, along with the exchange of a light operator. By explicit computation, we establish precise agreement between these CFT objects and a simple picture of particle worldlines joined by cubic vertices propagating in asymptotically AdS3 geometries (conical defects or BTZ black holes). We provide a simple argument that explains this agreement.
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ArXiv ePrint: 1501.02260
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Hijano, E., Kraus, P. & Snively, R. Worldline approach to semi-classical conformal blocks. J. High Energ. Phys. 2015, 131 (2015). https://doi.org/10.1007/JHEP07(2015)131
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DOI: https://doi.org/10.1007/JHEP07(2015)131