Re: Hamiltonian vs. Energy

On Mar 11, 8:34 am, Pmb <some...@xxxxxxxxxxxxx> wrote:
I was wondering if anyone knows of systems for which the Hamiltonian is not
equal to the total energy?

One way to generate examples of this is to take a Hamiltonian
system for which the Hamiltonian is the total energy and
perform a time-dependent canonical transformation. The new
Hamiltonian is the old Hamiltonian (energy) expressed in the
new variables plus an extra term coming from the time
derivative of the generating function for the
transformation.

charlie torre

.

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