Torus shadow formalism and exact global conformal blocks. (English) Zbl 07795872
Summary: Using the shadow formalism we find global conformal blocks of torus \(\mathrm{CFT}_2\). It is shown that \(n\)-point torus blocks in the “necklace” channel (a loop with \(n\) legs) are expressed in terms of a hypergeometric-type function which we refer to as the necklace function.
MSC:
| 81-XX | Quantum theory |
References:
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