New posts in Hamiltonian

Why is the ground state important in condensed matter physics?

Deriving Klein-Gordon from Hamilton's equations for fields using functional derivatives

How to Normalize a Wave Function?

Why do we care about the spectrum of the Hamiltonian?

Are there non-constant potentials that result in eigenstates of the Hamiltonian that are all plane waves?

Numerical calculation of a quantum field's observables

Hamiltonian of non-regular Lagrangian is well-defined on phase space

In the Schrödinger equation, can I have a Hamiltonian without a kinetic term?

What is a Hamiltonian of a System?

Symmetry in quantum mechanics