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hep-ph2000★ 3 cited
Renormalization Group Flow Equations For The Scalar O(N) Theory
B. -J. Schaefer, O. Bohr, J. Wambach
Self-consistent new renormalization group flow equations for an O(N)-symmetric scalar theory are approximated in next-to-leading order of the derivative expansion. The Wilson-Fishe…
hep-ph2000★ 76 cited
Renormalization Group Flow Equations and the Phase Transition in O(N)-models
O. Bohr, B. -J. Schaefer, J. Wambach
We derive and solve flow equations for a general O(N)-symmetric effective potential including wavefunction renormalization corrections combined with a heat-kernel regularization. W…