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hep-th2019★ 21 cited
Non-local non-linear sigma models
Steven S. Gubser, Christian B. Jepsen, Ziming Ji +2
We study non-local non-linear sigma models in arbitrary dimension, focusing on the scale invariant limit in which the scalar fields naturally have scaling dimension zero, so that t…
hep-th2019
Propagator identities, holographic conformal blocks, and higher-point AdS diagrams
Christian Baadsgaard Jepsen, Sarthak Parikh
Conformal blocks are the fundamental, theory-independent building blocks in any CFT, so it is important to understand their holographic representation in the context of AdS/CFT. We…