17-20 December 2018
Kenkyu-Honkan bldg. 1F
Japan timezone
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Kenkyu-Honkan bldg. 1F - Kobayashi Hall

Gauge symmetry breaking in models with D-branes


  • Prof. Noriaki KITAZAWA


The gauge symmetry breaking in string models with D-branes is discussed. Starting from a simple argument that the parallel separation of D-branes exhibits spontaneous gauge symmetry breaking, the mechanism of rank reduction of gauge group, which is necessary for realistic electroweak symmetry breaking, is discussed. The mechanism for a fixed stable scale of gauge symmetry breaking, which is necessary for real physics, is also discussed. It is nothing but the problem of the stabilization of D-brane moduli fields.