Exact renormalization group equations and the field theoretical approach to critical phenomena

C. Bagnuls; C. Bervillier

Exact renormalization group equations and the field theoretical approach to critical phenomena

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arxiv hep-th/0101110 v1 pith:OQLUH3FM submitted 2001-01-17 hep-th cond-mat

C. Bagnuls , C. Bervillier This is my paper · ORCID

classification hep-thcond-mat

keywords approachcriticalexactfieldgroupperturbativephenomenarenormalization

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After a brief presentation of the exact renormalization group equation, we illustrate how the field theoretical (perturbative) approach to critical phenomena takes place in the more general Wilson (nonperturbative) approach. Notions such as the continuum limit and the renormalizability and the presence of singularities in the perturbative series are discussed.

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