Abstract
5d ray index is the 5d superconformal index in the presence of a ray-like defect. An elementary ray defect flows to a fundamental Wilson ray in IR gauge theory. In 5d \( \mathcal{N} \) = 1 superconformal field theory(SCFT) with En global symmetry, we compute the ray index associated with an adjoint Wilson ray. We show that the operators that appear in the index are non-trivially charged under the center of the global symmetry En. The charge under the center being twice compared with the center charge carried by the elementary ray operator indicates a non-trivial OPE between the ray-like defects in the UV SCFT.
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Oh, J. OPE of line defects in 5d En SCFT. J. High Energ. Phys. 2022, 178 (2022). https://doi.org/10.1007/JHEP03(2022)178
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DOI: https://doi.org/10.1007/JHEP03(2022)178