Class Pauli
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class Pauli
Generates Hermitian basis matrices \(\pauli{\mu}\) defined by the identity and Pauli spin matrices.
\(\pauli{0}\) is the identity matrix and \(\pauli{1-3}\) are the Pauli spin matrices; i.e.
\[\begin{split} \pauli{0} = \left( \begin{array}{cc} 1 & 0 \\ 0 & 1 \end{array}\right) \hspace{5mm} \pauli{1} = \left( \begin{array}{cc} 1 & 0 \\ 0 & -1 \end{array}\right) \hspace{5mm} \pauli{2} = \left( \begin{array}{cc} 0 & 1 \\ 1 & 0 \end{array}\right) \hspace{5mm} \pauli{3} = \left( \begin{array}{cc} 0 & -\Ci \\ \Ci & 0 \end{array}\right). \end{split}\]