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19962025
most citedEffective field theories for QED bound states: extending Nonrelativistic QED to study retardation effects

85 citations

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Showing 2018 · hep-thShow all

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hep-th2018★ 2 cited

Feynman diagrams, ribbon graphs, and topological recursion of Eynard-Orantin

K. Gopala Krishna, Patrick Labelle, Vasilisa Shramchenko

We consider two seemingly unrelated problems, the calculation of the WKB expansion of the harmonic oscillator wave functions and the counting the number of Feynman diagrams in QED…