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  1. What is angular momentum in quantum mechanics?

    Jan 5, 2023 · The angular momentum operators certainly are related to the rotation operators, but this is not why we call them that... which is what you asked about. (Spoiler alert: The angular …

  2. For Angular Momentum Operator L, prove [Lx,Ly] = ihLz

    Oct 17, 2011 · Homework Statement For an angular momentum operator ~L =ˆiLx +ˆjˆLy + ˆkˆLz = ˆr × ˆp, prove that [ˆLx, ˆLy] = i\hbarˆLz, [ˆLx, ˆLz] = −i\hbarˆLy ...

  3. Angular Momentum Operator in Quantum Field Theory

    homework-and-exercises quantum-field-theory operators angular-momentum See similar questions with these tags.

  4. Angular and linear momentum operators' commutation

    May 4, 2018 · They must have non-trivial commutation relations, since all vector operators have certain commutation relations with the angular momentum operators, due to the fact, that they …

  5. quantum mechanics - Expectation value of angular momentum …

    Aug 20, 2024 · This is just an expected magnitude of angular momentum. Total angular momentum is a vector, so this means that average value must be vector too and not a scalar.

  6. quantum mechanics - Angular momentum commutation relations

    Apr 4, 2021 · Angular momentum commutation relations [duplicate] Ask Question Asked 4 years, 8 months ago Modified 4 years, 8 months ago

  7. Angular momentum operator and expectation values

    May 10, 2012 · Angular momentum operator and expectation values Ask Question Asked 13 years, 7 months ago Modified 13 years, 7 months ago

  8. Angular momentum ladder operator derivation - Physics Forums

    Apr 6, 2016 · In the Griffiths textbook for Quantum Mechanics, It just gives the ladder operator to be L±≡Lx±iLy With reference to it being similar to QHO ladder operator. The book shows how …

  9. 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 …

  10. Ladder Operators and Angular momentum - Physics Stack Exchange

    Nov 25, 2021 · Position and momentum operators related to different spatial directions commute between themselves. As a simple proof, notice that $\hat {p}_x = -i \hbar \frac {\partial} {\partial …