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Institute for the Physics and Mathematics of the UniverseWPI

Math.-String seminar

Date: November 20, 2008, 13:30 - 15:00
Place: Seminar Room at IPMU Prefab. B, Kashiwa Campus of the University of Tokyo
Speaker: Joe Conlon
Title: "Hierarchy Problems in String Theory: An Overview of the LARGE Volume Scenario"
Abstract: In a string theory context the origins of the hierarchies present in nature are intimately tied to moduli stabilisation. I describe the LARGE volume scenario for moduli stabilisation, its stringy origins and how it leads to both dynamical low-scale supersymmetry breaking and an intermediate axion scale. I describe work on embedding the Standard Model into this setup using configurations of D3/D7 branes at singularities. This gives a generic phenomenological expectation that Standard Model matter is charged under new, potentially light, gauge bosons with hierarchically small couplings.