most citedA variational perturbation scheme for many-particle systems in the functional integral approach

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cond-mat.str-el2000★ 8 cited

A variational perturbation scheme for many-particle systems in the functional integral approach

Sang Koo You, Chul Koo Kim, Kyun Nahm +1

A variational Perturbation theory based on the functional integral approach is formulated for many-particle systems. Using the variational action obtained through Jensen-Peierls' i…