Provides general recipes for constructing imaginarity measures via convex roofs and via the least pure-state imaginarity of input states, plus a no-go theorem for finite state-conversion criteria.
In addition, if f is strictly decreasing, then If is faithful, that is, If (ρ) = 0 if and only if ρ is a real state
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Quantifying imaginarity in terms of pure-state imaginarity
Provides general recipes for constructing imaginarity measures via convex roofs and via the least pure-state imaginarity of input states, plus a no-go theorem for finite state-conversion criteria.