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quant-ph1998
About optimal measurements in quantum hypothesizes testing
A. E. Allahverdyan, D. B. Saakian
We consider the problem of a state determination for a two-level quantum system which can be in one of two nonorthogonal mixed states. It is proved that for the two independent ide…
quant-ph1998
The broadcast quantum channel for classical information transmission
A. E. Allahverdyan, D. B. Saakian
It is well known that quantum theory forbids the exact copying of an unknown quantum state. Therefore in broadcasting of classical information by a quantum channel an additional co…