When proving properties of operators, what to do
Show properties when acting on appropriate bra/ket vector
Integral of Gaussian Function from (-inf , inf)
Which commutator is equal to 1
[a,adagger]
Define the domain for several particles in 3D
p^ in terms of a and adagger
x^ in terms of a and adagger
Hamiltonian in Heisenberg picture?
Not H(t) as Hamiltonian is time independent (energy is conserved)
{f,g}