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cond-mat.stat-mech2003
Critical thermodynamics of three-dimensional chiral model for N > 3
P. Calabrese, P. Parruccini, A. I. Sokolov
The critical behavior of the three-dimensional -vector chiral model is studied for arbitrary . The known six-loop renormalization-group (RG) expansions are resummed using the…
hep-th2003
Five-loop renormalization-group expansions for two-dimensional Euclidean λϕ^4 theory
E. V. Orlov, A. I. Sokolov
The renormalization-group functions of the two-dimensional n-vector λϕ^4 model are calculated in the five-loop approximation. Perturbative series for the β-function and critical ex…