New posts in Hamiltonian

Constructing Lagrangian from the Hamiltonian

Dealing with tensor products in an exponent

How can an inverted anharmonic potential $V(x)=-x^4$ have discrete bound states?

Difference between Hamiltonian in classical Mechanics and in quantum Mechanics

The formal solution of the time-dependent Schrödinger equation

Bogoliubov transformation with a slight twist

Gauge Invariance of the Hamiltonian of the electromagnetic field

Is there a Hamiltonian for the (classical) electromagnetic field? If so, how can it be derived from the Lagrangian?

Is the Ground State in QM Always Unique? Why?

How is the hamiltonian a hermitian operator?