Question

Write down pauli matrices.

Answer 1

Solution pauli matrices can be written as

$\sigma_x=\begin{pmatrix} 0 & 1 \\ 1 & 0 \end{pmatrix}$

$\sigma_y=\begin{pmatrix} 0 & -i\\ i & 0 \end{pmatrix}$

i is iota.

And

$\sigma_z=\begin{pmatrix} 1 & 0\\ 0 & -1 \end{pmatrix}$