Re:The building blocks of understanding are memorization and...
by JadeNB on Friday September 16, 2016 @10:10AM
(#12514098)
For what it's worth, that PDF says "Please DO NOT DISTRIBUTE this document. Instead, link to http://www.physics.ucsb.edu/∼mark/qft.html " (which has a link to the PDF).
If you're going to start learning QFT, I suggest you try to understand time-dependent perturbation theory as much as possible. Also, be sure you have a handle on special relativity and scattering theory. QFT that most people use is really those things combined.
[0] http://web.physics.ucsb.edu/~mark/ms-qft-DRAFT.pdf