Vanishing Perturbative Vacuum Energy in Non-Supersymmetric Orientifolds

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We present a novel source for supersymmetry breaking in orientifold models, and show that it gives a vanishing contribution to the vacuum energy at genus zero and three-half. We also argue that all the corresponding perturbative contributions to the vacuum energy from higher-genus Riemann surfaces vanish identically.
13 pages, 1 figure. Final discussion and Refs added

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/197535

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0403107
 http://arxiv.org/abs/hep-th/0403107
 Phys.Lett.B595:505-512,2004
 doi:10.1016/j.physletb.2004.06.058

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