Abstract
We study the \( \mathcal{N} \) = 2 field theory realized by D3-branes on the \( \mathbb{C} \) 2/\( \mathbb{Z} \) 2 orbifold. The dual supergravity solution exhibits a repulson singularity cured by the enhançon mechanism. By comparing the open and closed string descriptions of a probe D-instanton, we can compute the exact non-perturbative profile of the supergravity twisted field, which determines the supergravity background. We then show how the non-trivial IR physics of the field theory translates into the stringy effects that give rise to the enhançon mechanism and the associated excision procedure.
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Conde, E., Moskovic, M. D-instanton probe and the enhançon mechanism from a quiver gauge theory. J. High Energ. Phys. 2014, 148 (2014). https://doi.org/10.1007/JHEP04(2014)148
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DOI: https://doi.org/10.1007/JHEP04(2014)148