
Derivation of momentum operator / origin of -ih d/dx
Aug 13, 2011 · Derivation of momentum operator / origin of -ih d/dx Juqon Aug 13, 2011 Derivation Momentum Operator Origin Aug 13, 2011 #1 Juqon 31 0
Is the Momentum Operator Hermitian in Quantum Mechanics?
Mar 8, 2014 · A Hermitian operator A is defined by A=A (dagger) which is the transpose and complex conjugate of A. In 1-D the momentum operator is -i (h bar)d/dx. How can this be Hermitian as the …
What is the Correct Value of the Square of a Momentum Operator ...
Aug 25, 2012 · know I'm missing something obvious. for a momentum operator p = -iħ d/dx if I square the -iħ part I get (+1)ħ2 but I believe the correct value (as in the kinetic energy of the Hamiltonian) is …
Heisenberg uncertainty principle and the canonical momentum …
Dec 10, 2024 · The momentum operator, defined as , is applicable in free space but requires modification in the presence of a vector potential, leading to the canonical momentum expression . …
How to "derive" momentum operator in position basis using STE?
Apr 27, 2024 · In Introduction to Quantum Mechanics by Griffiths and Schroeter, the IMO motivates the form of momentum operator in position basis in a very nice manner. However, the problem is that …
What is the Time Evolution of the Angular Momentum Operator?
Jan 30, 2014 · To have an operator inherit the time dependence we simply make use of the unitary representation of time translations. Then our angular momentum operator would inherit time …
How Does Position Interact with Spin Angular Momentum in Quantum ...
Nov 30, 2023 · The spin angular momentum operator commutes with both position and momentum (i.e., its commutator with those operators vanishes), since it operates on a different part of the Hilbert …
No r dependence in L operator? • Physics Forums
Feb 20, 2017 · In classical mechanics, angular momentum, L = r x p, depends of r. For a given momentum p, the bigger r is, the bigger is the angular momentum. Event in spherical coordinates, r …
Understanding the Momentum Operator in Quantum Mechanics
Mar 26, 2005 · The discussion centers on the origin and understanding of the momentum operator in quantum mechanics, specifically the expression P = -ih/ (2π) * d/dx. Participants highlight the …
How to derive momentum operator in position basis via its definition ...
Nov 6, 2024 · Undergrad How to derive momentum operator in position basis via its definition? LightPhoton Nov 6, 2024 Momentum Operator Position Click For Summary