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Exact Renormalization Group : A New Method for Blocking the Action | | Jean-Michel Caillol
; | | Date: |
10 Mar 2009 | | Abstract: | We consider the exact renormalization group for a non-canonical scalar field
theory in which the field is coupled to the external source in a special non
linear way. The Wilsonian action and the average effective action are then
simply related by a Legendre transformation up to a trivial quadratic form. An
exact mapping between canonical and non-canonical theories is obtained as well
as the relations between their flows. An application to the theory of liquids
is sketched. | | Source: | arXiv, 0903.1812 | | Services: | Forum | Review | PDF | Favorites | |
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