Pauli operator
= Pauli operator
An $n$-qubit Pauli operator is a tensor product of single-qubit Pauli matrices, possibly multiplied by a phase. Hermitian Pauli operators have eigenvalues $+1$ and $-1$.
= Pauli operator
An $n$-qubit Pauli operator is a tensor product of single-qubit Pauli matrices, possibly multiplied by a phase. Hermitian Pauli operators have eigenvalues $+1$ and $-1$.