New posts in Time Evolution

What is a "picture" in quantum mechanics?

Why do excited states decay if they are eigenstates of Hamiltonian and should not change in time?

QM Continuity Equation: Many-Body Version for Density Operator?

What's the reasons to use time-ordering operator?

How is time evolution done in numerical GR?

Extending the ergodic theorem to non-equilibrium systems

Time dependent and time independent Schrödinger equations

Why does time evolution operator have the form $U(t) = e^{-itH}$?

The equivalence between Heisenberg and Schroedinger pictures

The formal solution of the time-dependent Schrödinger equation