En av flere [[Kvanteressurser]], og et mål på "kvanteheten" til en state, separat fra (og perpendikulær til?) [[Sammenfiltring]]. Måles i antall [[T-gate]]? (Det finnes andre mål også; paperet under bruker "resource theoretic monotones", spesifikt "stabilizer nullity".) Fra [paperet](https://arxiv.org/abs/2403.19610) som sammenligner [[Entanglement vs Magic]] (de refererer her til at [[Clifford-kretser]] er klassisk simulerbare): > (...) These classically simulable states could be highly entangled, and hence did not conform to the conventional understanding that entanglement could be the sole metric determining the degree to which a state is truly quantum. Building on this understanding, a new metric, referred to as ‘magic’, or nonstabilizerness, was introduced to quantify the amount of non-Clifford resources necessary to prepare a given quantum state, providing a more nuanced measure of a state’s quantumness. Indeed, magic has itself been shown to be intimately connected with a number of fundamentally quantum phenomena.