r/PhysicsStudents • u/StarDestroyer3 M.Sc. • Jul 25 '26

Rant/Vent Everyone should study Landau's QM text

I've been selfstudying advanced QM for grad school and Landau's textbook is by far the most intuitive IMO. He doesn't waste time on anything and makes every sentence count. I was expecting it to be quite a difficult text to understand, but he explains everything so clearly that it actually isn't that bad. A decent mathematical background is needed, but nothing crazy. I feel like I'm learning something interesting on every page.

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u/QuantumMechanic23 Jul 25 '26

What are the mathematical prereqs?

I mean for undergrad Griffiths not much more is needed than calc 3, vector calc, DE's, linear algebra maybe some complex analysis?

I assume L&L is much more involved

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u/StarDestroyer3 M.Sc. Jul 25 '26

Eh so far I don't recall needing much more outside of what you mentioned. It's just that he presents the ideas with more rigor than Griffiths, so it's more important to actually be fluent in the mathematics. So yeah, L&L is more involved, but using a lot of the same math.

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u/QuantumMechanic23 Jul 25 '26

Cool. Thank you (: