Young physicist in seek of guidance

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SUMMARY

The discussion centers on a young physicist seeking guidance in quantum field theory (QFT), specifically in areas such as renormalization and Feynman diagrams. The individual has a solid foundation in canonical quantization and perturbation theory but struggles with advanced concepts. They express a desire for personalized, one-on-one instruction, highlighting the inadequacy of suggested textbooks. The conversation emphasizes the need for targeted questions and resources, as well as the importance of self-directed learning in physics.

PREREQUISITES
  • Understanding of quantum field theory (QFT)
  • Familiarity with canonical quantization
  • Knowledge of perturbation theory
  • Basic grasp of Feynman diagrams
NEXT STEPS
  • Explore MIT's Open Courseware for QFT resources
  • Research specific peer-reviewed papers on renormalization techniques
  • Learn about advanced Feynman diagram calculations
  • Seek online tutoring platforms for personalized physics instruction
USEFUL FOR

This discussion is beneficial for aspiring physicists, students struggling with self-directed learning in advanced topics, and anyone interested in mastering quantum field theory concepts.

Ringo Hendrix
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Is there anyone on here who could help me fill in my gaps in quantum field theory up to renormalization? I know how to canonically quantize a theory and how to use scalars (spin 0), vectors (spin 1) and spinors (spin 1/2) but lack more advanced knowledge like renormalization which I could describe but can’t actually mathematically perform. I know how to set up an S-matrix, and am well versed in perturbation theory. I’ve been using it since before I knew it was called that.

The suggested books aren’t really helping because I have questions and I could really use a personal, one on one (over video) guidance through Feynman diagrams and renormalization of coupling constants AT LEAST. I’d be willing to pay although I’m not very rich. Again it shouldn’t take more than 2 weeks for what I’m wanting to learn...

I’ve been able to solve Einstein’s field equations of GR since I was 14 and have been able to do canonical quantization since I was 16. I’m 19 now.

I’m planning on meeting Garrett Lisi (E8 theorist- I don’t agree with his work but I completely admire his devotion and, hey- Hawaii!) within a year and want to be a hit more competent when I do... I just don’t learn the way the school system tries to teach me. So I’m trying to find my own way into the system and this is kind of a last resort. College really isn’t an option

Physics means everything to me and it is my dream and goal in life to find the theory of everything.
 
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Hi @Ringo Hendrix and welcome to PF!

Ringo Hendrix said:
Is there anyone on here who could help me fill in my gaps in quantum field theory up to renormalization?

Unfortunately, this is much too broad; you are basically asking for a course in QFT. This is way beyond the scope of what PF discussion threads can provide.

Ringo Hendrix said:
The suggested books aren’t really helping

What books? Suggested by whom?

If you have specific questions about something you've found in a specific book (or peer-reviewed paper), you can certainly start a new thread here to ask about that specific thing. That's the sort of discussion PF is for, and we have plenty of members who are knowledgeable about QFT.

Ringo Hendrix said:
I could really use a personal, one on one (over video) guidance through Feynman diagrams and renormalization of coupling constants AT LEAST. I’d be willing to pay although I’m not very rich. Again it shouldn’t take more than 2 weeks for what I’m wanting to learn...

And this is even broader, and unfortunately even further beyond the scope of what PF can provide.

Ringo Hendrix said:
I just don’t learn the way the school system tries to teach me.

You are in good company, as lots of people find it difficult to learn the way the school system tries to teach. (My personal opinion is that this is because the school system's primary purpose is actually not teaching, but that's a topic for another time.)

However, there are lots of good study materials available online; for example, MIT's Open Courseware site has lecture notes, problem sets, exams, and (some of the) solutions for every course MIT offers. And there are lots of other options. Everyone learns differently, so it might take a few tries before you find materials that suit your learning style. But learning how to learn things on your own is such a vital skill that it's worth taking the time to develop it.
 

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