Cafaro, Carlo; Mancini, Stefano - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 1610-1625
We present an information geometric characterization of Grover’s quantum search algorithm. First, we quantify the notion of quantum distinguishability between parametric density operators by means of the Wigner–Yanase quantum information metric. We then show that the quantum searching...