How do the spin-matrices change in systems without spherical symmetry?

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1 month ago

# @StackPhysics

The (non-relativistic) spin matrices of a free electron, with $z$ as the quantization axis, read:  \boldsymbol{S}_{x}=\frac{\hbar}{2}\left[\begin{array}{ll} 0 & 1 \\ 1 & 0 \end{array}\rig... ...Read More