X-Nico

2 unusual facts about Ermakov–Lewis invariant


Ermakov–Lewis invariant

Many quantum mechanical Hamiltonians are time dependent.

This allows an easy form to express the solution of the Schrödinger equation for the time dependent Hamiltonian.


Peter Ermakov

According to historians Greg King and Penny Wilson, Ermakov played a leading role in the executions, and is considered to have been the right hand of chief executioner Yakov Yurovsky.


see also