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An Introduction to the Worldline Technique for Quantum Field Theory Calculations

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arxiv hep-th/9610108 v2 pith:R5WOAKEU submitted 1996-10-16 hep-th hep-ph

Christian Schubert (Humboldt University Berlin) This is my paper · ORCID
classification hep-thhep-ph
keywords quantumcalculationsfieldintroductiontechniquetheoryworldlineapplications
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These two lectures give a pedagogical introduction to the ``string-inspired'' worldline technique for perturbative calculations in quantum field theory. This includes an overview over the present range of its applications. Several examples are calculated in detail, up to the three-loop level. The emphasis is on photon scattering in quantum electrodynamics.

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Cited by 2 Pith papers

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  1. Geometrizing the Anomaly

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    Gauge anomalies in U(1) theory show up as Stokes-surface dependence in a manifestly gauge-invariant field-strength formalism, and the axial anomaly for dyons with a theta term is derived.

  2. Brane Symmetries Revisited: Symmetries of Tensile and Tensionless Branes in Possibly Degenerate Metrics and their Manifestations

    hep-th 2025-12 conditional novelty 5.0 of 10

    Tensionless p-branes and branes in degenerate-metric spacetimes admit symmetry transformations built from Killing tensors of arbitrary rank, extending string W-symmetries to all brane dimensions.

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