Are QM operators also tensors?

1. Jul 21, 2011

BWV

some, like momentum appear to be, but are all of them?

2. Jul 21, 2011

LostConjugate

I am not sure if the position operator in position space is a rank 2 tensor since it is just x. They are all tensors though.

3. Jul 21, 2011

dextercioby

They are called tensor operators when the symmetry group is taken as SO(3).