I introduce spin in field theory by emphasizing the close connection between quantum field theory and quantum mechanics. First, I show that the spinstatistics connection can be derived in quantum mechanics without relativity or field theory. Then, I discuss path integrals for spin without using spinors. Finally, I show how spin can be quantized in a path-integral approach, without introducing anticommuting variables.
Spin in quantum field theory / S. Forte - In: Modern aspects of spin physics / [a cura di] W. Poetz, J. Fabian, U. Hohenester. - Berlin : Springer, 2007. - ISBN 978-3-540-38590-5. - pp. 67-94
Spin in quantum field theory
S. FortePrimo
2007
Abstract
I introduce spin in field theory by emphasizing the close connection between quantum field theory and quantum mechanics. First, I show that the spinstatistics connection can be derived in quantum mechanics without relativity or field theory. Then, I discuss path integrals for spin without using spinors. Finally, I show how spin can be quantized in a path-integral approach, without introducing anticommuting variables.
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