Abstract
We analyse global aspects of 7-brane backgrounds with a non-commuting profile for their worldvolume scalars, also known as T-branes. In particular, we consider configurations with no poles and globally well-defined over a compact Kähler surface. We find that such T-branes cannot be constructed on surfaces of positive or vanishing Ricci curvature. For the existing T-branes, we discuss their stability as we move in Kähler moduli space at large volume and provide examples of T-branes splitting into non-mutually-supersymmetric constituents as they cross a stability wall.
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Marchesano, F., Savelli, R. & Schwieger, S. Compact T-branes. J. High Energ. Phys. 2017, 132 (2017). https://doi.org/10.1007/JHEP09(2017)132
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DOI: https://doi.org/10.1007/JHEP09(2017)132