# 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} }

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

#### One Citation

Renormalization of the Planck mass for type II superstrings on symmetric orbifolds

- Physics
- 2002

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 the… Expand

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