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Article overview
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Superintegrability of $d$-dimensional Conformal Blocks | Mikhail Isachenkov
; Volker Schomerus
; | Date: |
4 Feb 2016 | Abstract: | We observe that conformal blocks of scalar 4-point functions in a
$d$-dimensional conformal field theory can mapped to eigenfunctions of a
2-particle hyperbolic Calogero-Sutherland Hamiltonian. The latter describes two
coupled P"oschl-Teller particles. Their interaction, whose strength depends
smoothly on the dimension $d$, is known to be superintegrable. Our observation
enables us to exploit the rich mathematical literature on Calogero-Sutherland
models in deriving various results for conformal field theory. These include an
explicit construction of conformal blocks in terms of Heckman-Opdam
hypergeometric functions and a remarkable duality that relates the blocks of
theories in different dimensions. | Source: | arXiv, 1602.1858 | Services: | Forum | Review | PDF | Favorites |
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