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Seminar
FIELD Phys:StringTheory
DATE July 18 (Thu), 2019
TIME 12:00-14:00
PLACE 1423
SPEAKER Rafaelle Savelli
HOST Song, Jaewon
INSTITUTE University of Rome and INFN
TITLE Global Aspects of T-branes
ABSTRACT T-branes are bound states of ordinary D-branes, characterized by non-commuting expectation values for two of the worldvolume scalars. They defy usual geometric intuition and feature a variety of unconventional brane-model-building phenomena. In this talk I will discuss the stability of the vacuum solutions corresponding to T-branes, and show how supersymmetry puts strong geometric constraints on the manifolds supporting them. Moreover, I will show how such constraints may be evaded by considering defect sources inducing poles for the worldvolume fields.
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