Localization of effective actions in open superstring field theory

  • Carlo Maccaferri
  • Alberto Merlano
Open Access
Regular Article - Theoretical Physics


We consider the construction of the algebraic part of D-branes tree-level effective action from Berkovits open superstring field theory. Applying this construction to the quartic potential of massless fields carrying a specific worldsheet charge, we show that the full contribution to the potential localizes at the boundary of moduli space, reducing to elementary two-point functions. As examples of this general mechanism, we show how the Yang-Mills quartic potential and the instanton effective action of a Dp/D(p − 4) system are reproduced.


String Field Theory Superstrings and Heterotic Strings D-branes 


Open Access

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Copyright information

© The Author(s) 2018

Authors and Affiliations

  1. 1.Dipartimento di FisicaUniversità di Torino, INFN — Sezione di Torino and Arnold-Regge CenterTorinoItaly

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