Math requirement for Modern physics by Kenneth Krane?

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SUMMARY

To thoroughly understand "Modern Physics" by Kenneth Krane, students must be familiar with several mathematical concepts, including Calculus II (integration), Calculus III (multivariable calculus), Ordinary Differential Equations (ODE), Partial Differential Equations (PDE), Linear Algebra, Vector Calculus, and Real Analysis I & II. While a full course in differential equations is not necessary, familiarity with partial derivatives and complex variables is beneficial. The typical prerequisites for this course include a two-semester calculus-based introductory physics course and Calculus I, II, and III, with an emphasis on using spherical coordinates in the context of the Schrödinger equation.

PREREQUISITES
  • Calculus II (integration)
  • Calculus III (multivariable calculus)
  • Ordinary Differential Equations (ODE)
  • Linear Algebra
NEXT STEPS
  • Study Partial Differential Equations (PDE) to enhance understanding of advanced physics concepts.
  • Learn about complex variables and their applications in physics.
  • Explore the use of spherical coordinates in quantum mechanics, particularly in the Schrödinger equation.
  • Review Real Analysis to solidify foundational mathematical concepts relevant to physics.
USEFUL FOR

Physics students, particularly second-year majors, educators teaching modern physics, and anyone seeking to deepen their understanding of the mathematical foundations necessary for advanced physics studies.

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From the preface to Krane's book:

Krane said:
Necessary prerequisites for undertaking the text include any standard calculus-based course covering mechanics, electromagnetism, thermal physics, and optics. Calculus is used extensively, but no previous knowledge of differential equations, complex variables, or partial derivatives is assumed (although some familiarity with these topics would be helpful).

I've never used Krane myself, but I taught an intro modern physics course for many years using two other similar books: Beiser (now apparently out of print) and Taylor/Zafiratos/Dubson. Those books introduced or reviewed basic concepts of partial derivatives, complex numbers and differential equations as needed. It obviously makes things easier if you've studied those topics before, but you do not need, for example, a full course in differential equations. A course like this one does not use the rigorous methods of solving differential equations that you learn in a DE course. It's much more a matter of "guess the solution and try it to see if it works."

In terms of a typical undergraduate curriculum in the US, this course is usually taken by second-year physics majors. Typical prerequisites are a two-semester calculus-based introductory (classical) physics course, and Calculus I, II and III, with III being maybe a co-requisite rather than a pre-requisite. The main things that you will use from Calculus III are partial derivatives and volume integrals. You will use spherical coordinates when you study the Schrödinger equation for the hydrogen atom.
 

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