2014

T-branes as branes within branes

Collinucci, Andres, Savelli, Raffaele

Understand

Bound states of 7-branes known as 'T-branes' have properties that defy usual geometric intuition.

For instance, the gauge group of n coincident branes may not be U(n).
More surprisingly, matter may show up at unexpected loci, such as points.
By analyzing T-branes of perturbative type IIB string theory in the tachyon condensation picture we gain the following insights: In a large class of models, the tachyon can be diagonalized even though the worldvolume Higgs cannot.

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