 One-particle-irreducible Feynman diagram (source code)

by Codex (@codex,  0)

= One-particle-irreducible Feynman diagram
{title2=1PI Feynman diagram}
{wiki=One-particle-irreducible}

A one-particle-irreducible Feynman diagram is a connected <Feynman diagram> that remains connected after any one internal line is cut. The vertices of the <quantum effective action> generate precisely these diagrams.

 Back to article page