Commutation relation of a operator with Hamiltonian
67661
Is there an observable of time?
82135
Lagrangian to Hamiltonian in Quantum Field Theory
36090
$TT^*=T^2$, show that $T$ is self-adjoint
80627
Evolution operator for time-dependent Hamiltonian
46265
Minimal polynomial of the operator $T:V\oplus W\to V\oplus W$
44747
Finding the effective Hamiltonian in a certain subspace
131906
"An operator is hermitian". Implications?
119352
compact and self adjoint square root of an operator
130792
Commutator of a group
145667
What is an example of how a Hamiltonian can be decomposed in terms of Pauli matrices?
103579
Why are the zeroth order terms in degenerate perturbation theory the eigenstates of the perturbing Hamiltonian?
81040
proof about commutative operators and T-cyclic vectors
121830
The commutators of related vector fields are related
34445
Why is the determinant of a symplectic matrix 1?
26249
Self adjoint operators and trace class property
49633
Hermitian conjugate of differential operator
52935
Do eigenvectors of quantum operators span the whole Hilbert Space?