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</script>handle: 2434/33284
I introduce spin in field theory by emphasizing the close connection between quantum field theory and quantum mechanics. First, I show that the spin-statistics 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.
31 pages, 6 figures, latex with Springer svmult document class; typos corrected, refs 10-11 added
High Energy Physics - Theory, Condensed Matter - Strongly Correlated Electrons, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Quantum field theory ; quantum theory, High Energy Physics - Theory (hep-th), Strongly Correlated Electrons (cond-mat.str-el), FOS: Physical sciences
High Energy Physics - Theory, Condensed Matter - Strongly Correlated Electrons, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Quantum field theory ; quantum theory, High Energy Physics - Theory (hep-th), Strongly Correlated Electrons (cond-mat.str-el), FOS: Physical sciences
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