Optimal finite measurements and Gauss quadratures
Sofyan Iblisdir, Jérémie Roland
Abstract
We exhibit measurements for optimal state estimation which have a finite number of outcomes. This is achieved by a connection between finite optimal measurements and Gauss quadratures. The example we consider to illustrate this connection is that of state estimation on N qubits, all in a same pure state. Extensions to state estimation of mixed states are also discussed.
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