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## Main Question or Discussion Point

Hello,

I'm thinking of starting to study some QFT. I know EM and QM on the level of the first part of Griffiths' books on the subject, and I know (classical) mechanics on the level of Marion & Thornton/Taylor, and I know GR on the level of Schutz/Hartle. Are there a few topics in these areas that I should study? (Heisenberg's matrix formulation of QM, Poisson brackets and the Hamilton-Jacobi formulation of classical mechanics, relativistic EM/field tensor/solutions of Maxwell's equations in potential formulation, classical field theory expressed in terms of Lagrangians/Hamiltonians.) What are some good books/online notes to study these? I assume Goldstein for the classical mechanics stuff, and Griffiths for the EM topics?

I also remember reading that you need group theory and complex analysis. What topics do you need to study, exactly, and what are some good books/online notes for theses? Are there any other prerequisites?

What are some good books for QFT? I heard great things on Amazon for A. Zee's book, and Princeton University Press had posted the first chapter on their website (!), but their explanation of the path integral formulation of QM was confusing... (Is this just me being an idiot, or have others noticed this as well?)

(Also, sorry about this being a long-ish post!)

I'm thinking of starting to study some QFT. I know EM and QM on the level of the first part of Griffiths' books on the subject, and I know (classical) mechanics on the level of Marion & Thornton/Taylor, and I know GR on the level of Schutz/Hartle. Are there a few topics in these areas that I should study? (Heisenberg's matrix formulation of QM, Poisson brackets and the Hamilton-Jacobi formulation of classical mechanics, relativistic EM/field tensor/solutions of Maxwell's equations in potential formulation, classical field theory expressed in terms of Lagrangians/Hamiltonians.) What are some good books/online notes to study these? I assume Goldstein for the classical mechanics stuff, and Griffiths for the EM topics?

I also remember reading that you need group theory and complex analysis. What topics do you need to study, exactly, and what are some good books/online notes for theses? Are there any other prerequisites?

What are some good books for QFT? I heard great things on Amazon for A. Zee's book, and Princeton University Press had posted the first chapter on their website (!), but their explanation of the path integral formulation of QM was confusing... (Is this just me being an idiot, or have others noticed this as well?)

(Also, sorry about this being a long-ish post!)