1208.5378 (Woung-Young Hwang et al.)

Quantum State Discrimination with General Figures of Merit    [PDF]

Woung-Young Hwang, Yeong-Deok Han

We consider the problem of (isotropic) quantum state discrimination with `general figures of merit' for an even number of symmetric quantum bits with use of no-signaling principle. It turns out that conditional probability has the same form for any (isotropic) figure of merit. Optimal measurement and corresponding conditional probability are the same for any (isotropic) monotonous figure of merit.

View original: http://arxiv.org/abs/1208.5378