Non-local magic equals the fourth Walsh moment of entanglement-spectrum autocorrelations, is bounded by twice the Rényi-2 entropy, and scales as O(1), volume, or log L according to spectral organization.
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Non-Local Magic from the Entanglement Spectrum
Non-local magic equals the fourth Walsh moment of entanglement-spectrum autocorrelations, is bounded by twice the Rényi-2 entropy, and scales as O(1), volume, or log L according to spectral organization.