Susskind lectures on Quantum Physics

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Discussion Overview

The discussion centers around the effectiveness of Leonard Susskind's lectures on quantum physics as a resource for self-learning. Participants explore the prerequisites for understanding quantum mechanics (QM) and compare Susskind's approach to traditional undergraduate courses.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant inquires whether Susskind's lectures are a good way to learn quantum physics, expressing a desire to prepare for university-level courses.
  • Another participant suggests that while Susskind's lectures are nice, they should not be the primary resource, emphasizing the importance of working through a textbook and solving challenging problems.
  • Some participants note that Susskind's lectures cover only basic ideas and that undergraduate courses will delve into more complex topics.
  • One participant mentions the need to learn differential equations and Hamiltonian mechanics, seeking recommendations for resources.
  • A later reply highlights that Susskind's lectures may not cover as much material as other resources, such as lectures by J. J. Binney, which might be more representative of undergraduate QM.
  • Participants discuss the necessary mathematical background for QM, including calculus, linear algebra, and complex numbers, with varying emphasis on the depth of knowledge required.

Areas of Agreement / Disagreement

Participants generally agree that Susskind's lectures can be a useful resource, especially for high school students with some mathematical background. However, there is no consensus on whether they should be the primary learning tool, as some argue for the necessity of a more comprehensive textbook approach.

Contextual Notes

Participants express differing views on the adequacy of Susskind's lectures compared to traditional undergraduate courses, highlighting the varying levels of complexity and depth in the material covered. There are also differing opinions on the prerequisites for studying quantum mechanics.

Who May Find This Useful

This discussion may be useful for high school students or self-learners interested in quantum physics, particularly those evaluating resources for independent study and seeking guidance on mathematical prerequisites.

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Are the susskind lectures a good way to learn quantum physics?
I am doing just the introduction to quantum physics in high school and we have done:

Black body radiation, photoelectric effect, Rutherford, Bohr's, Compton effect, pair production, a lot about de Broglie wave-matter duality, confirmation of W-M duality, linear superposition, uncertainty principle, Wolfgang Pauli's work, quarks etc.

I would like to self learn actual quantum physics before I go to uni. I have the Zettili textbook but I found lectures from Stanford by Leonard Susskind so are they good? Is that how quantum physics is tought in most unis? The thing is that I want to prepare myself for uni quantum physics so I don't waste my time.

Also, what's the math level required for quantum physics?
 
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The lectures are pretty nice. But please don't rely on those lecture alone. They should be merely a secondary resource, not a primary one.
It is crucial that you get an actual textbook on QM and work through that. In particular: do as many challenging problems as you can. Just reading the book or watching the lectures will teach you very little.

The prerequisites to QM are (imo):
- Calculus I, II and III
- Differential Equations
- Linear algebra proof based (not necessary, but HIGHLY recommended)
- A very good grasp of classical mechanics, including Hamiltonian mechanics

If you do QM without those prerequisites, then you will only get a watered down version. It's better to secure the prereqs for now and not to go into QM too quickly.
 
Since you're in high school, if you know calculus and algebra Susskind's lectures are a very good resource.

However they are not like the standard undergraduate courses. They cover only the very basic ideas. As an undergraduate you will learn a lot more than what Susskind covers.
 
I need to learn differential equations (for some reason this isn't covered in high school maths) and Hamiltonian mechanics properly then :)

Do you recommend any textbooks/sites to learn these?
 
dx said:
Since you're in high school, if you know calculus and algebra Susskind's lectures are a very good resource.

However they are not like the standard undergraduate courses. They cover only the very basic ideas. As an undergraduate you will learn a lot more than what Susskind covers.

Yeah, I looked through the Zettili textbook, looks way more complicated then Susskind's.
 
When I began to learn QM on my own I watched some Susskind lectures. There is a series of video lectures by professor J. J. Binney of Oxford which covers more. I think the Binney lectures might be more representative of undergraduate QM at one of the better universities. The Susskind lectures might be more basic and don't cover as much.

As for the math knowledge, I would say you must know some things about calculus, linear algebra, and complex numbers first. That is, you should have the equivalent of BC calculus that covers derivatives, integrals, and Taylor series expansions, and also one semester of linear algebra. You should know complex number concepts like complex multiplication, complex conjugate, and Euler's formula/polar representation.

Familiarity with Fourier analysis, Dirac deltas, and generalization of elementary linear algebra concepts to continuous functions might be beneficial. I knew about those when I began to study QM in earnest.
 
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