This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


gives the k^(th) Pauli spin matrix .
  • PauliMatrix gives 2×2 constant matrices with the property .
PauliMatrix threads element-wise over lists:
Pauli's differential equation:
Pauli matrices' algebra:
Build a unitary matrix representing the rotation of the spinor around the axis through angle :
Rotation by 360° changes spinor's direction:
New in 7