1.6k citations · 2.9k across the 39 of their papers we have counts for
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hep-th2002★ 5 cited
Sine-Gordon Effective Potential beyond Gaussian Approximation
Wen-Fa Lu, Chul Koo Kim, Kyun Nahm
Combining an optimized expansion scheme in the spirit of the background field method with the Coleman's normal-ordering renormalization prescription, we calculate the effective pot…
hep-th2002★ 4 cited
Optimized Rayleigh-Schrödinger Expansion of the Effective Potential
Wen-Fa Lu, Chul Koo Kim, Kyun Nahm
An optimized Rayleigh-Schrödinger expansion scheme of solving the functional Schrödinger equation with an external source is proposed to calculate the effective potential beyond th…