Online Resource
World Scientific Pub Co Pte Ltd
;
2001
In:
International Journal of Modern Physics A Vol. 16, No. 11 ( 2001-04-30), p. 2105-2110
In:
International Journal of Modern Physics A, World Scientific Pub Co Pte Ltd, Vol. 16, No. 11 ( 2001-04-30), p. 2105-2110
Abstract:
An Exact Renormalisation Group (ERG) approach to non-Abelian gauge theories is discussed. We focus on the derivation of universal beta-functions and the choice of the initial effective action, the latter being a key input in the approach. To that end we establish the map between Gell-Mann–Low scaling of the full theory and the scaling in an ERG approach. Then this map is used to derive the 2-loop β-function within a simple straightforward calculation. The implications for the choice of the initial effective action are discussed.
Type of Medium:
Online Resource
ISSN:
0217-751X
,
1793-656X
DOI:
10.1142/S0217751X01004785
Language:
English
Publisher:
World Scientific Pub Co Pte Ltd
Publication Date:
2001
SSG:
16,12
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