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Consider dd-dimensional gamma matrix structures. I have an expression like
∑h2=±Tr(/ξ2/p3/ξ¯2/p1),∑h2=±Tr(⧸ξ2⧸p3⧸ξ¯2⧸p1),
where p̸=pμημνγνp̸=pμημνγν are the momenta contracted with the gamma matrices and ξ̸=ξμημνγνξ̸=ξμημνγν are the helicity vectors contracted with the gamma matrices.
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manpreet
Best Answer
2 years ago
Consider dd-dimensional gamma matrix structures. I have an expression like
where p̸=pμημνγνp̸=pμημνγν are the momenta contracted with the gamma matrices and ξ̸=ξμημνγνξ̸=ξμημνγν are the helicity vectors contracted with the gamma matrices.
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