savyasachi (savyasachi) wrote in theory_research,

Quantum Filed Theory

I'm sorry if this is irrelevant in this community, but I am a graduate student in Cosmology in dire need of a QFT text. Which one do you guys use? (I have had one intro to QFT class where we were taught how to work with Feynman diagrams for tree-level QED calculations). From the library, I have a choice of Peskin/Schroeder, Roman, Zee and Bjorken/Drell.

Any suggestions will be welcome.

Again, if you think these posts are irrelevant here, please let me know.
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Peskin and Schroeder. If you don't like that, then Weinberg, Vol. 1.