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Towards a Realistic Picture of CP Violation in Heterotic String Models

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arxiv hep-th/0203246 v1 pith:3DISG2CU submitted 2002-03-26 hep-th hep-ph

Towards a Realistic Picture of CP Violation in Heterotic String Models

classification hep-th hep-ph
keywords modelsviolationheteroticpicturestringabsentachievedappears
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We find that dilaton dominated supersymmetry breaking and spontaneous CP violation can be achieved in heterotic string models with superpotentials singular at the fixed points of the modular group. A semi--realistic picture of CP violation emerges in such models: the CKM phase appears due to a complex VEV of the T-modulus, while the soft supersymmetric CP phases are absent due to an axionic--type symmetry.

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