Gianfranco
Created page with "===3.3. Non-projective state update: atomic instruments=== In general, the statistical properties of any measurement are characterized by # the output probability distribution <math display="inline">Pr\{\text{x}=x\parallel\rho\}</math>, the probability distribution of the output <math display="inline">x</math> of the measurement in the input state <math display="inline">\rho </math>; # the quantum state reduction <math display="inline">\rho\rightarrow\rho_{(X=x)} </ma..."