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Hypercharge Flux, Exotics, and Anomaly Cancellation in F-theory GUTs
Hypercharge Flux Exotics Anomaly Cancellation in F-theory GUTs
2010/12/23
We sharpen constraints related to hypercharge flux in F-theory GUTs that possess U(1) symmetries and argue that they arise as a consequence of 4-dimensional anomaly cancellation. This gives a physical...