The effective potential and resummation procedure to multidimensional complex cubic potentials for weak and strong-coupling
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The method for the recursive calculation of the effective potential is applied successfully in case of weak coupling limit (g tend to zero) to a multidimensional complex cubic potential. In strong-coupling limit (g tend to infinity), the result is resumed using the variational perturbation theory (VPT). It is found that the convergence of VPT-results approaches those expected.
19 pages, 0 figure
19 pages, 0 figure