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nsypgorz

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- Quantum
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In summary: I've not read his QM book, but I'd be surprised if it's better than Messiah. Messiah's book is full of insight and well-chosen approximations. I can't recommend it enough for the self-studier, it's a treasure.In summary, the conversation discusses the difficulty of finding a good undergraduate textbook for quantum mechanics. One person suggests Sakurai's Modern Quantum Mechanics, but another person points out that it assumes a strong background in wave mechanics. Others suggest older textbooks such as Blokhintsev, Messiah, Sommerfeld, and Gottfried as potentially better alternatives. The conversation also touches on the struggles with solving problems, particularly in infinite square well problems, and questions

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nsypgorz

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nsypgorz said:

This question has been asked on here a number of times. If you search you will find a lot of suggestions and discussion on Sakurai.

Sakurai assumes you have seen wave mechanics before. From page 100:

"It is assumed that the reader of this book has some experience solving the time-dependent and time-independent wave equations. He or she should be familiar with the time evolution of a Gaussian wave packet ...; should be able to solve one-dimensional transmission-reflection problems ...". And so on.

This is all material covered in the early chapters of Griffiths, for example.

Are you struggling on the problems in Griffiths?

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nsypgorz

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Yeah I would say I'm struggling with the problems in Griffiths, mostly on infinite/finite square well problems, and solving analytically with hermite polynomials is something I have a tough time with too.PeroK said:This question has been asked on here a number of times. If you search you will find a lot of suggestions and discussion on Sakurai.

Sakurai assumes you have seen wave mechanics before. From page 100:

"It is assumed that the reader of this book has some experience solving the time-dependent and time-independent wave equations. He or she should be familiar with the time evolution of a Gaussian wave packet ...; should be able to solve one-dimensional transmission-reflection problems ...". And so on.

This is all material covered in the early chapters of Griffiths, for example.

Are you struggling on the problems in Griffiths?

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Vanadium 50

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smodak

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Blokhintsev has a few QM books. Which one are you referring to?vanhees71 said:

1. https://www.amazon.com/dp/B0007DONM6/?tag=pfamazon01-20

2. https://www.amazon.com/dp/9027701040/?tag=pfamazon01-20

3. https://www.amazon.com/dp/9027701059/?tag=pfamazon01-20

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https://www.amazon.com/dp/9027701040/?tag=pfamazon01-20

I only know the German translation.

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romsofia

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He starts off with Dirac notation, but does move do some wave mechanic stuff around chapter 5.

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https://www.amazon.com/dp/0137479085/?tag=pfamazon01-20

It uses a traditional wave-mechanics-first approach, which many people here don't favor. Its big advantage for my students (and for me, as a harried professor teaching three different courses per semester, plus labs ) was that it shows a lot of detail in working out derivations and examples.

It appears to be out of print now. Even used copies seem to be surprisingly expensive for a nearly 30-year-old book. But maybe you'll get lucky and find it cheaper somewhere, or in your university library.

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Well, maybe it's expensive, because it's a good book!

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smodak

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I have this book. It is excellent!jtbell said:

https://www.amazon.com/dp/0137479085/?tag=pfamazon01-20

It uses a traditional wave-mechanics-first approach, which many people here don't favor. Its big advantage for my students (and for me, as a harried professor teaching three different courses per semester, plus labs ) was that it shows a lot of detail in working out derivations and examples.

It appears to be out of print now. Even used copies seem to be surprisingly expensive for a nearly 30-year-old book. But maybe you'll get lucky and find it cheaper somewhere, or in your university library.

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Try the Schaum's outline for quantum mechanics.

This book takes a more alternative approach to teaching quantum mechanics, focusing on intuitive explanations and real-world applications rather than complex mathematical derivations. It also includes interactive simulations and visual aids to enhance understanding.

Yes, this book is designed for undergraduate students with little to no prior knowledge of quantum mechanics. It starts with the basics and gradually builds upon them, making it accessible for beginners.

No, this book is intended for undergraduate students and covers the fundamental concepts and principles of quantum mechanics. It does not delve into advanced topics, but provides a solid foundation for further studies.

Yes, this book includes a variety of practical exercises and problems to reinforce the concepts learned. It also provides step-by-step solutions to selected problems to help students better understand the material.

While this book covers the essential topics of quantum mechanics, it is recommended to use it in conjunction with other resources, such as lectures and tutorials, to fully grasp the concepts. It can serve as a helpful supplement to traditional textbooks.

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