# Worldline Green Functions for Arbitrary Feynman Diagrams

@article{Dai2007WorldlineGF,
title={Worldline Green Functions for Arbitrary Feynman Diagrams},
author={P. Dai and W. Siegel},
journal={Nuclear Physics},
year={2007},
volume={770},
pages={107-122}
}
• Published 2007
• Physics
• Nuclear Physics
• Abstract We propose a general method to obtain the scalar worldline Green function on an arbitrary 1D topological space, with which the first-quantized method of evaluating 1-loop Feynman diagrams can be generalized to calculate arbitrary ones. The electric analog of the worldline Green function problem is found and a compact expression for the worldline Green function is given, which has similar structure to the 2D bosonic Green function of the closed bosonic string.
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