Is plane wave equation $\Psi(\mathbf r,t)=\Psi_0e^{i(\mathbf k \cdot \mathbf r-\omega t)}$ for quantum-mechanical wavefunctions really complex?
25641
Is there a direct physical interpretation for the complex wavefunction?
90818
Can't Prove formula from Sakurai's Modern QM @ Perturbation Theory
61924
Hilbert space in quantum mechanics
66745
Mathematics for Quantum Mechanics
121389
Why is quantum mechancis is not content with symmetric operators, but wants self-adjoint operators?
75436
Schrödinger Equation for Two Electrons?
62516
What is a wave function in simple language?
68896
Why should a solution to the wave equation be finite?
80342
Plane waves solutions for Dirac equation in terms of eigenstates of helicity
156467
Does $\langle\Omega|\mathrm{e}^{\mathrm{i}Px}=\langle\Omega|\mathrm{e}^{\mathrm{i}0x}$? $(\langle\Omega| =$ ground state of the interacting theory)
12519
Who is doing the normalization of wave function in the time evolution of wave function?
152750
Is there a time operator in quantum mechanics?
70828
Schrödinger's equation relation to quantum numbers
145592
Deriving the wave equation for electromagnetic waves
29952
Time-ordering vs normal-ordering and the two-point function/propagator
58122
QM without complex numbers
22748
Factor 2 in Heisenberg Uncertainty Principle: Which formula is correct?