"Modern Quantum Mechanics" by Sakurai for First Encounter

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Discussion Overview

The discussion revolves around the suitability of "Modern Quantum Mechanics" by Sakurai as an introductory text for quantum mechanics, particularly for a reading course in rigorous quantum mechanics. Participants explore whether it can serve as a first exposure to the subject and suggest supplementary materials.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • One participant inquires if Sakurai can be used as a first introduction to quantum mechanics, given their background and the availability of a professor for guidance.
  • Another participant suggests consulting the professor for advice on the choice of text.
  • A participant cites the preface of Sakurai, indicating it is intended for first-year graduate students who have prior exposure to quantum mechanics, arguing against its use as an introductory text.
  • Some participants express that Sakurai's text is too abstract and high-level for beginners, recommending alternative texts that emphasize motivation and foundational concepts.
  • One participant advocates for Shankar's text as a preferable alternative, noting it starts slower and covers foundational topics that Sakurai omits.
  • Additional recommendations include Merzbacher and Messiah as possible graduate-level texts, with a note that Merzbacher can be challenging but suitable at an intermediate level.
  • A participant reflects on their own experience using a combination of various texts, suggesting that it may be better to focus on one primary textbook.

Areas of Agreement / Disagreement

Participants generally disagree on the appropriateness of Sakurai as a first introduction to quantum mechanics, with multiple competing views on suitable alternative texts and approaches for beginners.

Contextual Notes

Some participants highlight the importance of prior knowledge and foundational understanding, suggesting that the choice of textbook may depend on individual backgrounds and learning preferences.

bacte2013
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Dear friends,

Can "Modern Quantum Mechanics" by Sakurai be used as a first introduction to the quantum mechanics, given that I have a professor who can guide my reading and supplementary books? I recently got an opportunity for a reading course in rigorous QM, and I thought Sakurai would be a good book; my mentor let me choose my own book. I can devote 8hrs/week. If Sakurai can be used as a first introduction to acquire reasonable understanding of QM, what books make a good supplement to Sakurai?

I know single-variable analysis, axiomatic set theory, abstract linear algebra, set-theoretic topology, and modern algebra.
 
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Maybe you should ask your professor this.
 
The preface says "This book is intended for a first year graduate student who has studied quantum mechanics at the junior or senior level. It does not provide an introduction to quantum mechanics for the beginner..."

I'd say no, use another text for your intro to QM theory...
 
Sakurai's text is too abstract and high level for a first exposure to the subject. You need another reading before that which emphasizes the motivation behind QM. I like very much the book on QM by Bransden and Joachain. This is intended as preparation for an atomic/molecular physics course (published by them in a different textbook), so the abstraction level is quite low.
 
I have the same understanding of the preface quoted by Dr transport. I would prefer Shankar's text to Sakurai. It is just as advanced, although it starts slower and is longer. It also treats barriers, particle in a box, which Sakurai skips, because he expects the students have seen it before.

You can even use a graduate course textbook like Merzbacher, or Messiah.
At an intermediate level, Merzbacher is a challenge but can be used.
I remember as a graduate (pre-sakurai; pre shankar), I used a combination of Schiff, Merzbacher, Messiah, and Powell and Craseman, looking for the best treatment of the topics. I do think it is better to use mostly one textbook.
 
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