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vertex function  

Definición

  • In quantum electrodynamics, the vertex function describes the coupling between a photon and an electron beyond the leading order of perturbation theory. In particular, it is the one particle irreducible correlation function involving the fermion ψ, the antifermion ψ¯, and the vector potential A. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Vertex_function)

Concepto genérico

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URI

http://data.loterre.fr/ark:/67375/MDL-VTC5SD2T-T

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