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The Schwinger model is the 2d QED with massless fermions. An important result about it (which I would like to understand) is that this is a gauge invariant theory which contains a free massive vector particle.

The original article by Schwinger Gauge invariance and mass, II, Phys. Review, 128, number 5 (1962), is too concise for me.

QUESTION: Is there a more detailed/modern exposition of the above result?

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4 Answers 4

You can take a look at Zinn-Justin, "Quantum field theory and critical phenomena", section 31.4 in 3rd edition.

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Thanks very much! The reference looks good. –  MKO Dec 12 '11 at 9:39
    
It's appendix A31.2 in the old edition if that's what your library has. –  Michael Brown Mar 19 '13 at 1:59

There is a best pedagogical book! "Selected topics in Gauge theories" by Walter Dittrich. Page 135. Best explanation!

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Welcome to Physics SE. Please provide a concise summary of the citation. –  Stefan Bischof Mar 18 '13 at 20:36
    
@Dibakar: yah, it is awesome! Alhamdulillah! –  Ome Jan 26 at 15:03

The book Non-Perturbative Methods in 2 Dimensional Quantum Field Theory by Abdalla, Abdalla, and Rothe discusses 2d QED (and a lot of other stuff) in detail.

I would recommend getting this from a library, or maybe reading Abdalla's lecture notes if you can't. The book is helpful, but it is not worth the price it is being sold at. (Google lists the ebook for sale at $281!)

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You can also try Shifman's "Advanced Topics in Quantum Field Theory" which is fairly new and up to date with material on non-perturbative things like solitons and instantons, SUSY and gauge theory. Includes a discussion of the Schwinger model.

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