The authors adapt heat kernel techniques to non-minimal operators and compute DeWitt coefficients a0, a1, a2 to leading order in weak background fields for general NLED, plus exact a0 for conformal theories, with causality comments for convergence.
Self-Duality in Nonlinear Electromagnetism
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abstract
We discuss duality invariant interactions between electromagnetic fields and matter. The case of scalar fields is treated in some detail.
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hep-th 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Heat kernel approach to the one-loop effective action for nonlinear electrodynamics
The authors adapt heat kernel techniques to non-minimal operators and compute DeWitt coefficients a0, a1, a2 to leading order in weak background fields for general NLED, plus exact a0 for conformal theories, with causality comments for convergence.