Journal
NUCLEAR PHYSICS B
Volume 678, Issue 1-2, Pages 491-507Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysb.2003.11.016
Keywords
conformal field theory; operator product expansion; four-point function
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By solving the two variable differential equations which arise from finding the eigenfunctions for the Casimir operator for O(d, 2) succinct expressions are found for the functions, conformal partial waves, representing the contribution of an operator of arbitrary scale dimension Delta and spin l together with its descendants to conformal four point functions for d = 4, recovering old results, and also for d = 6. The results are expressed in terms of ordinary hypergeometric functions of variables x, z which are simply related to the usual conformal invariants. An expression for the conformal partial wave amplitude valid for any dimension is also found in terms of a sum over two variable symmetric Jack polynomials which is used to derive relations for the conformal partial waves. (C) 2003 Elsevier B.V. All rights reserved.
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