Renormalization conditions and the effective potential of the massless phi^4 theory
arXiv:hep-th/9804079
Abstract
We point out that there is a missing portion in the two-loop effective potential of the massless O(N) phi^4 theory obtained by Jackiw in his classic paper, Phys. Rev. D 9, 1686 (1974).
arXiv commentLaTex, 7 pages, 3 postscript figures