Abstract
We study mixed anomaly between G1 and G2 of one-form finite symmetry G1 × G2 in 3d Chern-Simons theories. We assign a quantum entanglement structure to two linked G-symmetry lines (Wilson loops) and compute the entanglement entropy S[G]. We find a measure of the mixed anomaly by computing S[G1 × G2] − S[G1] − S[G2].
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Zhou, Y. 3d one-form mixed anomaly and entanglement entropy. J. High Energ. Phys. 2019, 91 (2019). https://doi.org/10.1007/JHEP07(2019)091
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DOI: https://doi.org/10.1007/JHEP07(2019)091