Abstract
We study type II string vacua defined by torus compactifications accompanied by T-duality twists. We realize the string vacua, specifically, by means of the asymmetric orbifolding associated to the chiral reflections combined with a shift, which are interpreted as describing the compactification on ‘T-folds’. We discuss possible consistent actions of the chiral reflection on the Ramond-sector of the world-sheet fermions, and explicitly construct non-supersymmetric as well as supersymmetric vacua. Above all, we demonstrate a simple realization of non-supersymmetric vacua with vanishing cosmological constant at one loop. Our orbifold group is generated only by a single element, which results in simpler models than those with such property known previously.
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ArXiv ePrint: 1512.05155
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Satoh, Y., Sugawara, Y. & Wada, T. Non-supersymmetric asymmetric orbifolds with vanishing cosmological constant. J. High Energ. Phys. 2016, 184 (2016). https://doi.org/10.1007/JHEP02(2016)184
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DOI: https://doi.org/10.1007/JHEP02(2016)184