/sci/ - Science & Math

dat graph Anonymous Wed Mar 5 17:30:01 2014 No.6394943 [DELETED]

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File: 17 KB, 483x120, pic related.png [View same] [iqdb] [saucenao] [google]

I'm trying to relate Feynman diagrams and the Wiener measure. For this I try to translate some of them into the corresponding integrals.

How to evaluate pic related?

Another general question: Can one start with a quantum field theory on a grid, and then make the spatial continoum limit but keep time descrete?
(I figure it might be doable in the path integral case of a Newtonian space time, is it possible there?)

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/sci/ - Science & Math

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