Abstract
We use the method of spectral networks to calculate BPS degeneracies in the Minahan-Nemeschansky E7 theory, as representations of the E7 flavor symmetry. Our results provide another example of a pattern noticed earlier in the Minahan-Nemeschansky E6 theory: when the electromagnetic charge is n times a primitive charge, the BPS index is a positive integer multiple of (−1)n+1n. We also calculate BPS degeneracies in the Minahan-Nemeschansky E6 theory for larger charges than were previously computed.
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ArXiv ePrint: 1905.09879
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Hao, Q., Hollands, L. & Neitzke, A. BPS states in the Minahan-Nemeschansky E7 theory. J. High Energ. Phys. 2020, 39 (2020). https://doi.org/10.1007/JHEP04(2020)039
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DOI: https://doi.org/10.1007/JHEP04(2020)039