New posts in Matrix Elements

Dirac Notation and Coordinate transformation of a function

Intuitive argument for symmetry of Lorentz boosts

Matrix representation of the operator $\hat{S}_x$ in the standard basis

Matrix elements of the free particle Hamiltonian

Definition of an operator in quantum mechanics

truncation before matrix exponential: how to do it right?

How do one show that the Pauli Matrices together with the Unit matrix form a basis in the space of complex 2 x 2 matrices?

When Eigenfunctions/Wavefunctions are real?