Abstract
Geometric and dynamical aspects of a coupled 4D-2D interacting quantum field theory — the gauged nonAbelian vortex — are investigated. The fluctuations of the internal 2D nonAbelian vortex zeromodes excite the massless 4D Yang-Mills modes and in general give rise to divergent energies. This means that the well-known 2D \( \mathrm{\mathbb{C}}{\mathrm{\mathbb{P}}}^{N-1} \) zeromodes associated with a nonAbelian vortex become nonnormalizable.
Moreover, all sorts of global, topological 4D effects such as the nonAbelian Aharonov-Bohm effect come into play. These topological global features and the dynamical properties associated with the fluctuation of the 2D vortex moduli modes are intimately correlated, as shown concretely here in a U0(1) × SU l (N) × SU r (N) model with scalar fields in a bifundamental representation of the two SU(N) factor gauge groups.
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ArXiv ePrint: 1509.04061
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Bolognesi, S., Chatterjee, C., Evslin, J. et al. Geometry and dynamics of a coupled 4D-2D quantum field theory. J. High Energ. Phys. 2016, 75 (2016). https://doi.org/10.1007/JHEP01(2016)075
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DOI: https://doi.org/10.1007/JHEP01(2016)075