Tuesday, October 25, 2016

quantum field theory - Why Zeta regularization is not valid for multiple-loops?


Why zeta regularization only valid at one-loop?


I mean there are zeta regularizations for multiple zeta sums. Also we could use the zeta regularization iteratively on each variable to obtain finite corrections to multiple loop diagrams.




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

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