The Principles of Quantum Mechanics (Dirac)

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The discussion centers on the suitability of Dirac's book on quantum mechanics for someone with a strong mathematical background but limited exposure to the subject. It is noted that Dirac's text is considered advanced, and it is recommended to start with an undergraduate text like Griffiths to build foundational knowledge before progressing. The importance of a solid understanding of classical mechanics and electromagnetism as prerequisites for quantum mechanics is emphasized. Participants share their experiences with various physics courses, particularly from MIT's open courseware, and suggest exploring Leonard Susskind's theoretical physics lectures as a valuable resource. The conversation highlights the need for a structured approach to learning physics, advocating for a balance between theoretical understanding and practical problem-solving skills.
johnathon
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How advanced is this text? The only exposition I've had to quantum mechanics is through "The Quantum Universe" by Brian Cox and Jeff Forshaw. That book was a nice introduction but now I'm looking for something a lot more in depth. Would someone with a strong mathematical background but only a slight exposure to quantum mechanics be able to cope with the Dirac book?
 
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By "strong math background" I assume you have studied orthogonal functions, complex variables, PDE's, and are strong in linear algebra. How is your physics background? QM does build, after all, on classical mechanics and E&M.

Dirac's book is advanced. Starting with a standard undergrad text like Griffiths and see how it goes. You can always move up if it's too easy.
 
It was the book I learned from. I had a strong math background, but not so strong in physics. I like the book a great deal, but the biggest drawback is that there are no problems. There is a book with a similar name by Shankar that might be a better choice for a beginner.
 
Jimmy Snyder said:
It was the book I learned from. I had a strong math background, but not so strong in physics. I like the book a great deal, but the biggest drawback is that there are no problems. There is a book with a similar name by Shankar that might be a better choice for a beginner.

How much quantum mechanics was in your not so strong physics background? Does the Dirac book assume preknowledge of quantum mechanics?
 
marcusl said:
By "strong math background" I assume you have studied orthogonal functions, complex variables, PDE's, and are strong in linear algebra. How is your physics background? QM does build, after all, on classical mechanics and E&M.

Dirac's book is advanced. Starting with a standard undergrad text like Griffiths and see how it goes. You can always move up if it's too easy.

I'd say my physics background is pretty decent. I got through 3 courses from the MIT open courseware (classical mechanics, electricity and magnetism, vibrations and waves). Would that be enough to go on?
 
johnathon said:
I'd say my physics background is pretty decent. I got through 3 courses from the MIT open courseware (classical mechanics, electricity and magnetism, vibrations and waves). Would that be enough to go on?

About 1 month ago you were saying
I have little to no knowledge in physics but I have a very strong understanding of the main topics in maths (trig, calculus etc). What should I start with in physics and what order should I progress in? What're the main topics I should know? I've heard of (but know nothing about) classical mechanics, relativistic mechanics, quantum mechanics and quantum field theory. Are there any other major topics I should do as well?
If you've went through these 3 courses from MIT open courses, I wonder in what depth. Just pointing this out for the other people to advise you. :smile:
 
fluidistic said:
About 1 month ago you were saying
If you've went through these 3 courses from MIT open courses, I wonder in what depth. Just pointing this out for the other people to advise you. :smile:

Yep. I've been extremely determined over the past month and have gotten through all that. Luckily I can pick up new concepts very quickly. Each course in the open courseware is about 25 lectures at one hour each, so they're pretty in depth (hope I'm not giving the impression that I rushed through it, I've just had the combination of a ton of spare time and eagerness)
 
If you were able to zoom through the MIT lectures so quickly then why not work your way
through Leonard Susskind's theoretical physics video lectures?

http://en.wikipedia.org/wiki/Leonard_Susskind#Lectures
web.mac.com/clinton_lewis/Welkin_Sky/Susskind_Lectures_List.html

Judging by your past experience this is exactly what you're looking for.
Also, to test whether you've learned much from Lewin's lectures you should pick up a copy
of https://www.amazon.com/dp/0070257345/?tag=pfamazon01-20
If you're having problems with this then just save yourself innumerable headaches by picking
up a standard physics book & just laying into it as you simultaneously develop more
advanced mathematics.
 

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