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On the base of the R'-operation of the renormalization theory a new numerical method for the calculation of renormalization constants in the theory of critical behaviour is suggested. Determination of the residues in the poles in e = 4 - d of the Green functions is reduced to the calculation of multiple ultraviolet-finite integrals, which can be performed with the aid of standard computer programs. The method is appli
Translated title of the contribution | Calculation of dynamical exponent in model A of critical dynamics to order ε 4 . |
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Original language | Russian |
Pages (from-to) | 110-114 |
Journal | ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 4: ФИЗИКА, ХИМИЯ |
Issue number | 4 |
State | Published - 2008 |
ID: 5154664