Shankar vs Griffiths: A Comparison of Quantum Mechanics Textbooks

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Discussion Overview

The discussion revolves around the comparison of two quantum mechanics textbooks: Shankar's "Principles of Quantum Mechanics" and Griffiths' "Introduction to Elementary Particle Physics." Participants share their experiences and opinions on these texts as they prepare for their quantum mechanics and particle physics modules.

Discussion Character

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

Main Points Raised

  • Some participants express positive opinions about Shankar's book, highlighting its rigor and mathematical introduction to quantum mechanics.
  • Others appreciate Griffiths' text for its undergraduate approach, noting its effectiveness in teaching cross sections and invariant amplitudes, though it lacks derivations of Feynman rules.
  • A participant mentions their background in functional analysis and finds Shankar's treatment of Dirac notation accessible, indicating a preference for Shankar as preparation for further studies in quantum field theory.
  • There are mixed feelings about Schutz's "A First Course in GR," with some participants finding it difficult after a certain point, while others recommend alternative texts like Carroll's book for general relativity.

Areas of Agreement / Disagreement

Participants generally agree on the strengths of Shankar and Griffiths, but there are differing opinions on the effectiveness of Schutz's text and its approach to general relativity. No consensus is reached regarding the best preparation for advanced topics following these texts.

Contextual Notes

Some participants reference their prior experiences with other textbooks, which may influence their opinions on Shankar and Griffiths. There are also mentions of specific chapters and editions, indicating that variations in content may exist.

Who May Find This Useful

Students studying quantum mechanics and particle physics, as well as those interested in general relativity, may find this discussion relevant for selecting appropriate textbooks.

Son Goku
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What are your opinions on Shankar: Principles of Quantum Mechanics and
Griffiths: Introduction to Elementary Particle physics?

I've decided to use them to study my two QM modules and my Particle Physics Modules, instead of the recommended texts.

So how good are they?
 
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I learned QM from Shankar- a pretty good book in my opinion and a great mathematical introduction to QM.

Griffiths Particle Physics is a great book- for an undergraduate introduction to the subject. It gives a good overview of the subject, shows you how to calculate cross sections and invariant amplitudes. It does not show you how to derive the Feynman rules for a theory, but given the rules, it does show you how to calculate the amplitudes. It also teaches you all about quantum numbers and the conservation laws associated with them.
Cheers,
Ryan
 
I love Shankar. It's very rigorous.
 
I have been reading Schutz' "A First Course in GR", but after Chapter 8, I feel that it is too difficult for me to progress. So I am putting it down for the time being. I read "Principles of QM" by Dirac and found most of it quite easy to understand. But the book has no exercises so I couldn't gauge how well I understood the material. Then I read Liboff's "Introductory QM" which has the exercises but in retrospect, does not seem well written to me. Now I got out a copy of Shankar, but it's the 1980 edition so I expect it is different from what you have. I am currently reading the second chapter. Because I have a background in functional analysis, and because I read the Dirac book, I have no problem with the Dirac notation. My plan is to read the Shankar book and then go on to read "QFT in a Nutshell" by Zee, and then "A First Course in String Theory" by Zweibach. I read Zweibach up until he started to use QFT and left me in the dust. That's why I want to read Zee before I try again. It seems that Shankar is good preparation for Zee, but if there are other opinions, I would love to hear them.
 
jimmysnyder said:
I have been reading Schutz' "A First Course in GR", but after Chapter 8, I feel that it is too difficult for me to progress. So I am putting it down for the time being.

Funnily enough, I thought Schutz was useless after chapter 8.
I don't like the way he starts on gravitational waves straight away.

He is brilliant to learn the field equation from, but learn about specific case solutions elsewhere.

I'd recommend Carroll's book.
 
Son Goku said:
I'd recommend Carroll's book (for GR).
I assume you mean "Spacetime and Geometry" by Sean Carroll. I had the good fortune to hear Professor Carroll speak at Stoneybrook last month. He is very entertaining. However, I am putting GR aside for the time-being.
 

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