Using the properties you showed in 2.1, show
that if is a pure state of energy of energy E, then 1)
is a pure state of energy
and 2) is a pure state of energy .
Background: This energy ``raising'' and ``lowering'' properties of the
and operators explains the origin of their names.
Prof. Tomas Alberto Arias
Tue Apr 30 08:11:46 EDT 1996
is a pure state of energy of energy E, then 1)
is a pure state of energy 
and 2) 
is a pure state of energy 
.
and 
operators explains the origin of their names.