Coarse graining and renormalization

Details Coarse graining and renormalization Coarse graining and renormalization

2000-08-03

arxiv.org/abs/hep-th/0008037v3

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, RevTex, no figure

Scientific paper

Formulating the QFT's as coarse grained 'low' energy sectors of a postulated complete quantum theory of everything with the 'high' energy modes integrated out or 'clustering' into 'low' energy objects, we can evaluate the Feynman amplitudes by solving a series of natural differential equations which automatically dissolves the necessity of infinity subtraction and the associated subtleties. This new strategy has direct implications to the scheme dependence problem.

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