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c-Recursion for multi-point superconformal blocks. NS sector

  • Vladimir Belavin
  • Roman GeikoEmail author
Open Access
Regular Article - Theoretical Physics

Abstract

We develop a recursive approach to computing Neveu-Schwarz conformal blocks associated with n-punctured Riemann surfaces. This work generalizes the results of [1] obtained recently for the Virasoro algebra. The method is based on the analysis of the analytic properties of the superconformal blocks considered as functions of the central charge c. It consists of two main ingredients: the study of the singular behavior of the conformal blocks and the analysis of their asymptotic properties when c tends to infinity. The proposed construction is applicable for computing multi-point blocks in different topologies. We consider some examples for genus zero and one with different numbers of punctures. As a by-product, we propose a new way to solve the recursion relations, which gives more efficient computational procedure and can be applied to SCFT case as well as to pure Virasoro blocks.

Keywords

Conformal Field Theory Conformal and W Symmetry 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2018

Authors and Affiliations

  1. 1.I.E. Tamm Department of Theoretical PhysicsP.N. Lebedev Physical InstituteMoscowRussia
  2. 2.Department of Quantum PhysicsInstitute for Information Transmission ProblemsMoscowRussia
  3. 3.Department of Particle Physics and AstrophysicsWeizmann Institute of ScienceRehovotIsrael
  4. 4.National Research University Higher School of EconomicsMoscowRussia
  5. 5.Center for Advanced StudiesSkolkovo Institute of Science and TechnologyMoscowRussia

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