Spectral functions in Minkowski quantum electrodynamics from neural reconstruction
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Abstract (arXiv)
We study neural reconstructions of quenched rainbow quantum electrodynamics (QED) Dyson--Schwinger benchmarks in Minkowski-related kinematics. Using the dispersive formulation as motivation, we separate the Euclidean Fukuda--Kugo equation, the spectral unitary equations, and the modified unitary equations. The Fukuda--Kugo benchmark is solved directly and shows the expected zero crossing above the critical region αc=π/3. Neural reconstructions with free output reproduce this behavior, while positivity-constrained ans"atze fail in the supercritical regime. Thus, spectral positivity should be treated as a diagnostic of the Lehmann representation, not imposed blindly as a neural constraint.
Key facts. Cited by 1 paper in the map (data through 14 Oct 2026). Builds on 8 of its 60 references that are in the map. First posted on arXiv 6 Oct 2025.
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8 of 60 references.
References · 8
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- 2020B-PINNs: Bayesian Physics-Informed Neural Networks for Forward and Inverse PDE Problems with Noisy Datacited by 335
- 2017Deep Potential Molecular Dynamics: a scalable model with the accuracy of quantum mechanicscited by 214
- 2019Ab-Initio Solution of the Many-Electron Schr"odinger Equation with Deep Neural Networkscited by 200
- 2019Machine learning in cardiovascular flows modeling: Predicting arterial blood pressure from non-invasive 4D flow MRI data using physics-informed neural networkscited by 76
- 2025Gauge-covariant stochastic neural fields: Stability and finite-width effectscited by 3
- 2024A Tutorial on the Use of Physics-Informed Neural Networks to Compute the Spectrum of Quantum Systemscited by 2
- 2024Physics-informed neural networks viewpoint for solving the Dyson-Schwinger equations of quantum electrodynamicscited by 2
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Citing papers per year: 2026: 1.
1 paper.