3 years ago

Localization of effective actions in open superstring field theory.

Carlo Maccaferri, Alberto Merlano

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

Publisher URL: http://arxiv.org/abs/1801.07607

DOI: arXiv:1801.07607v1

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