What Maths Do You Need to Learn Quantum Mechanics?

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Discussion Overview

The discussion centers around the mathematical prerequisites for learning quantum mechanics, exploring various mathematical tools and resources that may aid in understanding the subject. Participants share their experiences and recommendations regarding the necessary mathematics, including differential equations, linear algebra, and other advanced topics.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants suggest that differential equations and linear algebra are essential for studying quantum mechanics, with recommendations for specific textbooks.
  • One participant highlights the challenges posed by Dirac notation, noting that it requires familiarity with complex vector spaces.
  • Another participant argues that the mathematics required for quantum mechanics is similar to that used in electromagnetism, classical mechanics, and statistical mechanics, with some additional concepts like operators and Hilbert spaces.
  • Several participants inquire about books that provide an overview of the mathematics used in quantum mechanics, expressing varying levels of confidence in their mathematical abilities.
  • Recommendations for specific books include "Mathematics of Classical and Quantum Physics" by Byron and Fuller, and "Mathematical Physics" by Sandri Hassini, with some participants expressing preferences for one over the other.
  • A humorous remark suggests that one will need "everything" except intuition to grasp the mathematics involved in quantum mechanics.

Areas of Agreement / Disagreement

Participants generally agree on the importance of certain mathematical tools for quantum mechanics, but there is no consensus on the best resources or the extent of mathematical knowledge required. Some express uncertainty about their mathematical preparedness.

Contextual Notes

Participants mention specific mathematical concepts and notation that may not be universally understood, indicating a potential gap in foundational knowledge among learners. The discussion reflects varying levels of confidence and familiarity with the required mathematics.

Who May Find This Useful

This discussion may be useful for students or individuals interested in learning quantum mechanics who are seeking guidance on the necessary mathematical background and resources.

yukcream
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What sorts of maths are needed to start learning quantum mechaninc? I found it is very difficult to handle the maths tools~ can anyone give me some raeding about maths in QM?

yukyuk
 
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Differential equations, linear algebra, depending on the level some group theory won't hurt you. For linear algebra, I'm partial to the Friedberg Insel and Spence "Linear Algebra" textbook, although any good quantum mechanics book will have at least a cursory overview of linear algebra. The differential equations are things you'll probably see in your standard university course on the subject.
 
One of the problems of math in QM is the Dirac notation, where column vectors are denoted |z> and row vectors are denoted <z|, and the base field is complex. Even if you already know basic vector space math, that takes some getting used too.
 
is there any book will give an overview of maths used in QM? Be honest I am not good in maths~
 
the mathematics required for QM is not very different from those in E&M, CM or stat mechanics. A few new stuff though, especially operators, hilbert spaces and the like. But i think, don't start on QM if you don't have a good idea of classical physics.
 
O~ I got it THX
 
yukcream said:
What sorts of maths are needed to start learning quantum mechaninc?

You'll need everything, except your intuition. :wink:

marlon
 

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