How continuous quantum measurements in finite dimensions are actually discrete.
We show that in finite dimensions a quantum measurement with a continuous set of outcomes can be always realized as a continuous random choice of measurements with a finite number of outcomes.
Chiribella
Giulio
G
QUIT Group, Dipartimento di Fisica A. Volta and INFM, via Bassi 6, 27100 Pavia, Italy. chiribella@fisicavolta.unipv.it
D'Ariano
Giacomo Mauro
GM
Schlingemann
Dirk
D