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Higher-Order Gravitational Couplings and Modular Forms in $N=2$, $D=4$ Heterotic String Compactifications
The restrictions of target--space duality are imposed at the perturbative level on the holomorphic Wilsonian couplings that encode certain higher-order gravitational interactions in $N=2, D=4$ heterotic string compactifications. A crucial role is played by non-holomorphic corrections. The requiremen...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
1996
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(96)90141-8 http://cds.cern.ch/record/307499 |