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sunshine9
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- Hi,everybody,I'm reading Srednicki's qft textbook,and I'm puzzled by the calculation about spinor indices.I can't realize Eq35.21.
Eq35.17 and 35.18 is obtained,but the result of Eq35.21 I obtained has an extra minus sign,I don't know what's wrong of my calculation,so I hope some people much more smarter can figure it out.Thanks.