English

Resummation at finite conformal spin

High Energy Physics - Theory 2019-04-04 v3

Abstract

We generalize the computation of anomalous dimension and correction to OPE coefficients at finite conformal spin considered recently in \cite{arXiv:1806.10919, arXiv:1808.00612} to arbitrary space-time dimensions. By using the inversion formula of Caron-Huot and the integral (Mellin) representation of conformal blocks, we show that the contribution from individual exchanges to anomalous dimensions and corrections to the OPE coefficients for "double-twist" operators [O1O2]Δ,J[\mathcal{O}_1\mathcal{O}_2]_{\Delta,J} in ss-channel can be written at finite conformal spin in terms of generalized Wilson polynomials. This approach is democratic {\it wrt} space-time dimensions, thus generalizing the earlier findings to cases where closed form expressions of the conformal blocks are not available.

Keywords

Cite

@article{arxiv.1811.00213,
  title  = {Resummation at finite conformal spin},
  author = {Carlos Cardona and Sunny Guha and Surya Kiran Kanumilli and Kallol Sen},
  journal= {arXiv preprint arXiv:1811.00213},
  year   = {2019}
}

Comments

Typos corrected, references added. JHEP version

R2 v1 2026-06-23T05:00:06.153Z