Momentum of electron problem
28350
$\lambda=\frac{2h}{p}$ instead of $\lambda=\frac{h}{p}$?
135071
Energy momentum tensor from Noether's theorem
49759
Proving that $i\hbar\frac{\partial}{\partial \mathbf{p}}$ is the operator of $\mathbf{x}$ in momentum space
154772
The Momentum Operator in QM
104024
Does the mass of an electron change with its "energy state"?
72611
What is the mass density distribution of an electron?
107129
Is the canonical momentum conserved when a particle moves in magnetic field?
26125
Does the canonical commutation relation fix the form of the momentum operator?
59272
Conservation of momentum in infinite square well
95550
Only one electron?
145566
Will the momentum be conserved in this scenario?
26439
The problem of instant velocity
137152
Free particle Schrodinger equation: propagator
83375
Can momentum be conserved in a perfectly elastic collision?
62359
Contradiction between law of conservation of energy and law of conservation of momentum?
40334
Apparent violation of the law of conservation of angular momentum in the torques experienced by two interacting electric dipoles
112723
The problem of self-force on point charges