04 - 貝爾狀態 (Bell-State, EPR pair)

\begin{cases} \beta_{00} = \frac{_1}{^\sqrt{2}}(|00\rangle+|11\rangle)\\ \beta_{01} = \frac{_1}{^\sqrt{2}}(|01\rangle+|10\rangle)\\ \beta_{10} = \frac{_1}{^\sqrt{2}}(|00\rangle-|11\rangle)\\ \beta_{11} = \frac{_1}{^\sqrt{2}}(|01\rangle-|10\rangle) \end{cases}

待續 …