descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Sep 2017Embargo end date: 01 Jan 2017 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,017 (eissn: 1029-8479,

Authors: Sebastian Schwieger; Fernando Marchesano; Raffaele Savelli; Raffaele Savelli;

doi: 10.1007/jhep09(2017)132 , 10.48550/arxiv.1707.03797

arXiv: http://arxiv.org/abs/1707.03797

handle: 2108/209064

Compact T-branes

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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.

37 pages, 1 figure, 2 appendices; minor corrections and reference added

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Keywords

High Energy Physics - Theory, Superstring Vacua, FOS: Physical sciences, QC770-798, MODELLI E METODI MATEMATICI, Mathematics - Algebraic Geometry, High Energy Physics - Theory (hep-th), D-branes, Nuclear and particle physics. Atomic energy. Radioactivity, Supersymmetric Effective Theories, FOS: Mathematics, Differential and Algebraic Geometry, Settore FIS/02 - FISICA TEORICA, Algebraic Geometry (math.AG)

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