Is It Too Late to Learn Quantum Field Theory After Years in a Different Career?

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  • Thread starter Thread starter MarkSheffield
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SUMMARY

Mark Sheffield, an electrical engineer with a background in physics, seeks guidance on learning quantum field theory (QFT) after a long hiatus from academia. He is currently studying Stephen Weinberg's "Quantum Theory of Fields" but lacks the necessary mathematical foundation. To supplement his learning, he is also reading "Rotations, Quaternions, and Double Groups" by Simon Altman. The discussion emphasizes the importance of a solid mathematical background for understanding QFT and encourages seeking additional resources and educational opportunities.

PREREQUISITES
  • Understanding of advanced calculus and linear algebra
  • Familiarity with classical mechanics and electromagnetism
  • Knowledge of quantum mechanics fundamentals
  • Basic proficiency in mathematical physics
NEXT STEPS
  • Study "Mathematical Methods for Physics and Engineering" by Riley, Hobson, and Bence
  • Explore online courses on quantum mechanics and quantum field theory
  • Attend lectures or seminars on quantum field theory at local universities
  • Join study groups or forums focused on advanced physics topics
USEFUL FOR

Individuals transitioning from engineering to theoretical physics, graduate students in physics, and anyone interested in self-educating in quantum field theory.

MarkSheffield
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I had posted this in the academic forum but got no responses. I'm hoping there will be some help in this forum.

*********

About 20 years ago I was a grad student in physics and fizzled - did lots of coursework but never got a Ph.D, and have been working as an electrical engineer since.

(Note to other's who are thinking of dropping out - don't do it, you'll regret it forever.)

For the past year or so I've been reading physics again and have become very interested in quantum field theory. My study was never in this area and I find myself with a huge hole with respect to the math. I just started working through Stephen Weinberg's "Quantum Theory of Fields" but don't have the foundation for even the "foundations" text. In parallel, I've been reading "Rotations, Quaternions, and Double Groups" by Simon Altman which fills in some gaps but really not enough.

I'm soliciting advice here about how to fill in the gaps with your suggestions regarding reading material or other alternatives. I'm not opposed to attending lectures but I'm thinking that this material isn't so new that there should be lots of different ways to self-educate.

thank you - Mark Sheffield
 
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