Renormalization group improvement of the effective potential in massive ϕ4 theory
J. -M. Chung, B. K. Chung
Abstract
Using the method of renormalization group, we improve the two-loop effective potential of the massive ϕ4 theory to obtain the next-next-to-leading logarithm correction in the MS scheme. Our result well reproduces the next-next-to-leading logarithm parts of the ordinary loop expansion result known up to the four-loop order.
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