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Chiral Heterotic Strings with Positive Cosmological Constant
We present explicit examples of semi-realistic heterotic models with spontaneously broken supersymmetry, which dynamically lead to breaking scales much smaller than $M_{\rm Planck}$ and exponentially small positive values for the cosmological constant. Contrary to field theoretic intuition, we find...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2016
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.nuclphysb.2016.09.018 http://cds.cern.ch/record/2208448 |