Orientifolds, Unoriented Instantons and Localization

Abstract

We consider world-sheet instanton effects in N=1 string orientifolds of noncompact toric Calabi-Yau threefolds. We show that unoriented closed string topological amplitudes can be exactly computed using localization techniques for holomorphic maps with involution. Our results are in precise agreement with mirror symmetry and large N duality predictions.

arXiv comment25 pages, 10 figures, published version; v4: typos corrected

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Cited by in corpus (16)

• The effective action of Type IIA Calabi-Yau orientifolds
• The effective action of type II Calabi-Yau orientifolds
• Topological Open String Amplitudes On Orientifolds
• Evidence for Tadpole Cancellation in the Topological String
• Crosscaps in Gepner Models and Type IIA Orientifolds
• The Real Topological String on a local Calabi-Yau
• BPS orientifold planes from crosscap states in Calabi-Yau compactifications
• Toric Geometry and String Theory
• Type IIA on a Compact Calabi-Yau and D=11 Supergravity Uplift of its Orientifold
• Decoupling A and B model in open string theory -- Topological adventures in the world of tadpoles
• M-theory interpretation of the real topological string
• Fractional Branes in Non-compact Type IIA Orientifolds
• Chern-Simons theory on spherical Seifert manifolds, topological strings and integrable systems
• Coisotropic Branes in Toric Calabi-Yau 3-folds
• Crosscaps in Gepner Models and the Moduli space of T2 Orientifolds
• Topics in Open Topological Strings