paper

Heavy-light Bootstrap from Lorentzian Inversion Formula

arXiv:1910.06357 · doi:10.1007/JHEP07(2020)046

Abstract

We study heavy-light four-point function by employing Lorentzian inversion formula, where the conformal dimension of heavy operator is as large as central charge . We implement the Lorentzian inversion formula back and forth to reveal the universality of the lowest-twist multi-stress-tensor as well as large spin double-twist operators . In this way, we also propose an algorithm to bootstrap the heavy-light four-point function by extracting relevant OPE coefficients and anomalous dimensions. By following the algorithm, we exhibit the explicit results in up to the triple-stress-tensor. Moreover, general dimensional heavy-light bootstrap up to the double-stress-tensor is also discussed, and we present an infinite series representation of the lowest-twist double-stress-tensor OPE coefficient. Exact expressions of lowest-twist double-stress-tensor OPE coefficients in are also obtained as further examples.

arXiv commentLatex, 43 pages, typo corrected, rewritten more clearly, refs arranged more appropriately

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