Solutions for Griffiths and recommendation for book on problems in QM

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Discussion Overview

The discussion revolves around the challenges of finding solutions to problems presented in "Introduction to Quantum Mechanics" by D. Griffiths, as well as recommendations for alternative books that contain solved problems in quantum mechanics. The scope includes both theoretical and practical aspects of learning quantum mechanics through problem-solving.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant expresses frustration over the lack of accessible solutions to problems in Griffiths' book, questioning the utility of solving problems without a means to verify answers.
  • Another participant notes that while the solution manual is available from the publisher, it is restricted to instructors, and suggests searching online for posted solutions, although they caution that such solutions may contain errors.
  • Some participants recommend various books for additional practice, including the Quantum Mechanics series by Greiner and works by Flugge, highlighting that these may differ in difficulty from Griffiths' text.
  • A participant emphasizes the importance of developing self-checking skills and physical reasoning in quantum mechanics, particularly for those pursuing research.
  • Another participant suggests "Quantum Mechanics: Concepts and Applications" by Zetilli, which includes worked problems and additional exercises.
  • One participant mentions their positive experience with Flugge's two volumes of worked problems and another book by Constantinescu & Magyari, but notes that Flugge's material may be more advanced than Griffiths'.

Areas of Agreement / Disagreement

Participants generally agree on the difficulty of finding solutions to Griffiths' problems and the need for accessible resources. However, there are differing opinions on the appropriateness of recommended books, with some suggesting they may not align with Griffiths' level.

Contextual Notes

Some participants highlight that the recommended books may vary in complexity and may not directly correspond to the content of Griffiths' text, indicating a potential mismatch in learning levels.

Ene Dene
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I'm reading a book, Introduction to Quantum Mechanics by D.Griffiths, and at the end of each chapter there are problems to be solved, nice problems, but I can't find the solutions, and I don't really see the point of solving the problem if you can't check the solution. In the preface of book author said that there is an solution manual for teachers, the problem is that I can't find it anywhere. Can someone help?
I'm also searching for a good book on quantum mechanics with lot of solved problems (Schaum kinda of book), if you could recommend a good book, I would be grateful.
 
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Ene Dene said:
I'm reading a book, Introduction to Quantum Mechanics by D.Griffiths, and at the end of each chapter there are problems to be solved, nice problems, but I can't find the solutions, and I don't really see the point of solving the problem if you can't check the solution.
Often, many problems can be checked because the answer you get and the reasoning used to get there make physical and mathematical sense.
Ene Dene said:
In the preface of book author said that there is an solution manual for teachers, the problem is that I can't find it anywhere. Can someone help?
The solution manual is available from the publisher... and the representative will verify that the request is coming from an instructor [who has adopted the text]. As an alternative, you could search the web for posted solutions. [Sometimes the solutions one finds [from the publisher or from the instructors] are wrong... so, you should should be checking them and enhancing them. I frowned when students turned in a solution that was obviously copied [since it repeated an error in the solution manual]. ]
Ene Dene said:
I'm also searching for a good book on quantum mechanics with lot of solved problems (Schaum kinda of book), if you could recommend a good book, I would be grateful.
Look at the Quantum Mechanics series by Greiner. There are also books by Flugge. There is also a series of solutions for qualifying exams. Here is the quantum one: http://www.worldscibooks.com/physics/3471.html
 
Also, I would just like to point out that as you go higher and higher up in the system, it becomes more and more important for you to be able to check yourself using physical reasoning like robphy indicated. You have to learn when and how to be confident in your answer, and you have to learn how to make reasonable checks on yourself. I don't know what your goals are, but this is especially true of people who want to go on to do research because then no one knows "the answer".

Since that may all be useless to you, I can also suggest a book. Quantum Mechanics: Concepts and Applications by Zetilli has a nice section of nontrivial problems worked in detail at the end of each chapter and then more problems later for you to work on your own.
 
I liked Fluegge's two volumes of worked problems in QM and also Constantinescu & Magyari' book printed by Pergamon Press in 1971.

Daniel.
 
I agree, Flugge's books are great, problem is that for the most part they are not at the level of what Griffiths teaches, but more on a graduate level.
 

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