An Exponentially Small $μ$--term in String Theory

Details An Exponentially Small $μ$--term in String Theory An Exponentially Small $μ$--term in String Theory

2009-06-11

arxiv.org/abs/0906.2159v3

Mod.Phys.Lett.A26:251-258,2011

Physics

High Energy Physics

High Energy Physics - Theory

13 pages in phyzzx.tex, typos and other minor corrections; v3 comments added, minor changes

Scientific paper

10.1142/S0217732311034803

We describe a mechanism that produces an exponentially small $\mu$--term on
the world--volumes of D5 branes wrapping a deformed and fibered $A_3$
singularity. The small $\mu$ arises due to brane instanton effects which can be
calculated after a geometric transition at one of the nodes of the singularity.

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