Breaking CP and supersymmetry with orbifold moduli dynamics

Details Breaking CP and supersymmetry with orbifold moduli dynamics Breaking CP and supersymmetry with orbifold moduli dynamics

2001-10-12

arxiv.org/abs/hep-th/0110110v5

Nucl.Phys. B623 (2002) 73-96; Erratum-ibid. B629 (2002) 493

Physics

High Energy Physics

High Energy Physics - Theory

32 p, latex, 8 eps figs, amssymb, graphicx. The complete D.Phil. thesis (dated September 2000) is at http://feynman.physics.

Scientific paper

10.1016/S0550-3213(02)00137-2

We consider the stabilization of string moduli and resulting soft supersymmetry-breaking terms in heterotic string orbifolds. Among the results obtained are: formulae for the scalar interaction soft terms without integrating out the hidden sector gaugino condensate, which reduce to standard expressions in the usual "truncated" limit; an expression for the modular transformation of A-terms; a study of the minima of the scalar potential in the Kaehler modulus direction; and a discussion of the implications for CP violation phenomenology. Some closely related results have appeared in a recent paper of Khalil, Lebedev and Morris, namely the exact modular invariance of A-terms up to unitary mixing, and the existence of certain complex minima for the moduli.

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