All Basics About Angular Momentum in QUANTUM Mechanics

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  • Опубліковано 1 сер 2024
  • • All Basics About Angul...
    00:00 Classical angular momentum
    00:46 Postion and momentum operators
    02:30 Angular momentum operators
    03:12 Is angular momentum Hermitian?
    04:36 Heisenberg's Uncertainty Principle
    06:53 Angular momentum commutators
    09:46 Angular momentum visualized
    10:21 L-squared operator
    11:30 Eigenfunctions of L^2 and Lz operator
    12:58 Orbital angular momentum quantum number
    13:58 Magnetic momentum quantum number
    14:54 Summary
    More: en.fufaev.org/quantum-angular...
    Books by Alexander Fufaev:
    1) Equations of Physics: Solve EVERY Physics Problem
    en.fufaev.org/physics-equatio...
    2) Alexander Fufaev and His Never Ending Story:
    en.fufaev.org/lifestory

КОМЕНТАРІ • 35

  • @fufaev-alexander
    @fufaev-alexander  Рік тому +4

    Do you want to solve every physics problem? Try my book!
    eBook: en.fufaev.org/physics-equations-book
    Paperback: tinyurl.com/physics-paperback
    Hardcover: tinyurl.com/physics-hardcover

  • @sbjuice622
    @sbjuice622 Рік тому +4

    Love your videos! I'm not a physicist, but a physical chemist, and I come back to your videos often for review on EM & QM!

  • @rajanalexander4949
    @rajanalexander4949 7 місяців тому

    Amazingly concise and well-explained; thank you!

  • @mehrdadnj6731
    @mehrdadnj6731 7 місяців тому +2

    I am a physic student and it was so helpful.
    Now i can understand it physics rather than memorize it.❤❤

  • @GeoffryGifari
    @GeoffryGifari Рік тому +1

    i'm just recently introduced to your channel. this new subscriber is a fan of your method of explaining, and especially your visualization
    keep up the good work!

  • @qi1548
    @qi1548 4 місяці тому

    Thank you very much.
    you really helped me and i will check other videos

  • @andraslang96
    @andraslang96 8 місяців тому

    NIce and concise. Thank you!

  • @franciscoaguero9028
    @franciscoaguero9028 8 місяців тому

    Perfectly explained

  • @vikramkc2219
    @vikramkc2219 10 місяців тому

    Many thanks sir.

  • @journeytotheinfinity440
    @journeytotheinfinity440 Рік тому +1

    Your lecture notes together with Griffiths have collaboratively cleared my perspective on Angular-Momentum.. For the past two-three weeks, I was stuck on the topic of Quantum Angular Momentum.. While following Griffiths I found some of the relations and assumptions are falling straight out of the sky.. Your video has just come in time.. Thank you very much..
    Keep on Going.. It would be of immense help if you just continue with the Quantum Theory..
    thank you once again..

    • @andrewdirr824
      @andrewdirr824 10 місяців тому

      For future reference, you might like Brian P. Anderson's book "A Field Guide to Quantum Mechanics." It is relatively short (130 pgs.), but extremely dense. It skips over flowery language and puts down everything in an almost bullet point like fashion, provides very good explanations and computational guides to fundamentally important concepts (including Clebsch-Gordan coefficients, Bloch sphere dynamics and Rabi oscillations).

    • @journeytotheinfinity440
      @journeytotheinfinity440 10 місяців тому +1

      @@andrewdirr824 thank you very much for the suggestion

  • @un_tangle
    @un_tangle 8 місяців тому

    Thank you so much sir for thiss !! U are a savior ❤

  • @user-ek3vu5yy8v
    @user-ek3vu5yy8v 8 місяців тому +2

    Thanks Sir. Could you please make a video about the dirac equation? Would be nice. Keep up the good work

  • @michaelwang1730
    @michaelwang1730 Рік тому

    Brilliant explanation!

  • @C0MPLEXITY
    @C0MPLEXITY Рік тому

    good video bro, easy to understand.

  • @AbdelaliBerrahhal-zk4rt
    @AbdelaliBerrahhal-zk4rt Рік тому

    This is best way to understand the angular momentum

  • @user-dm5he1ni8x
    @user-dm5he1ni8x Рік тому +1

    Your Video help me understand quantum a lot hope you can update more quantum knowledge video

  • @Joker-oh3lb
    @Joker-oh3lb 8 місяців тому

    Where are the rest of your videos, did I just jump dimensions?

  • @ko-prometheus
    @ko-prometheus Рік тому

    Can we calculate and model in 3D space a physical process called a uranium or plutonium nuclear explosion?

  • @jacobvandijk6525
    @jacobvandijk6525 Рік тому +2

    Are you going to derive the eigenvalues of the L^2- and Lz-operators in the next video?

    • @fufaev-alexander
      @fufaev-alexander  Рік тому +2

      I can do this. On my website you can also find the derivation:
      en.universaldenker.org/lessons/1161

  • @jonathanv.hoffmann3089
    @jonathanv.hoffmann3089 9 місяців тому

    🙏

  • @veronicanoordzee6440
    @veronicanoordzee6440 Рік тому

    FOR THE QHO A LADDER OPERATOR WAS KIND OF LOGICAL TO INTRODUCE.
    BUT HERE THE LADDER OPERATOR JUST FALLS OUT OF THE BLUE SKY, IMHO.
    By the way, the same is true for the authors Griffiths & Schroeter in their book.

  • @drinkmoretea9729
    @drinkmoretea9729 Рік тому

    Wo sind deine deutschen Videos?

    • @fufaev-alexander
      @fufaev-alexander  Рік тому

      In einer Playliste auf diesem Kanal:
      ua-cam.com/video/7aiZi4Umf3Q/v-deo.html
      Die alten Videos (aber nicht alle) gibt es auf einem anderen Kanal:
      www.youtube.com/@universaldenker_physik
      (leider sind Maxwell-Gleichungen, Schrödinger und Differentialgleichungen leider nicht mehr verfügbar. Ein Unfall gewesen.^^)