Corpus ID: 15157838

One loop corrections to coupling constants in String Effective Field Theory

@article{Petropoulos1996OneLC,
  title={One loop corrections to coupling constants in String Effective Field Theory},
  author={Marios Petropoulos},
  journal={arXiv: High Energy Physics - Theory},
  year={1996}
}
  • M. Petropoulos
  • Published 1 May 1996
  • Physics
  • arXiv: High Energy Physics - Theory
In the framework of a recently proposed method for computing exactly string amplitudes regularized in the infra-red, I determine the one-loop correlators for auxiliary fields in the symmetric $Z_2\times Z_2$ orbifold model. The $D$-field correlation function turns out to give the one-loop corrections for the gauge couplings, which amounts to a string-theory supersymmetry Ward identity. The two-point function for uncharged $F$ fields leads to the one-loop renormalization of the moduli K\"ahler… Expand
1 Citations
Renormalization of the Planck mass for type II superstrings on symmetric orbifolds
We compute the one-loop renormalization of the Planck mass for type II string theories compactified to four dimensions on symmetric orbifolds that preserve = 2 supersymmetry. Depending on theExpand

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