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arxiv: 1401.4329 · v1 · pith:BQFHJHU3new · submitted 2014-01-17 · 🌀 gr-qc · hep-th

A photon propagator on de Sitter in covariant gauges

Silvije Domazet , Tomislav Prokopec This is my paper
classification 🌀 gr-qc hep-th
keywords propagatorphotonsittercovariantgaugesallen-jacobsoncalculationscharge
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We construct a de Sitter invariant photon propagator in general covariant gauges. Our result is a natural generalization of the Allen-Jacobson photon propagator in Feynman gauge. Our propagator reproduces the correct response to a point static charge and the one-loop electromagnetic stress-energy tensor, strongly suggesting that it is suitable for perturbative calculations on de Sitter.

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  1. Bulk-to-bulk photon propagator in AdS

    hep-th 2025-10 unverdicted novelty 5.0

    Derives photon bulk-to-bulk propagators in AdS in multiple gauges by tensor decomposition and form-factor solution, recovering prior results and adding new expressions with improved IR behavior in Fried-Yennie gauge.