Homework Statement \hat{\rho} = \left|\Phi_{AB}\right\rangle\left\langle\Phi{AB}\right| = \alpha ( |Z+>_A|Z+>_B+|X+>_A|X+>_B)* \alpha ( <Z+|_B <Z+|_A+<X+|_B<X+|_A) Is |Z+>_A|Z+>_B similiar to |00> ? I'm confused wiht notation Homework Equations The Attempt at a Solution