Multiloop Feynman Integrals in the Worldline Approach
Michael G. Schmidt, Christian Schubert

TL;DR
This paper introduces the worldline approach to multiloop Feynman integrals, illustrating its application through the QED beta function and the 2-loop Euler-Heisenberg Lagrangian, offering a novel computational perspective.
Contribution
It presents a new method using worldline Green functions for calculating multiloop Feynman integrals, enhancing analytical techniques in quantum field theory.
Findings
Derived worldline Green functions for multiloop graphs
Applied method to compute QED beta function
Analyzed 2-loop Euler-Heisenberg Lagrangian
Abstract
We explain the concept of worldline Green functions on classes of multiloop graphs. The QED beta function and the 2-loop Euler-Heisenberg Lagrangian are discussed for illustration.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.
Taxonomy
Topicsadvanced mathematical theories · Algebraic and Geometric Analysis
