Causality plus the Maxwell Dominance Principle force the Hessian of the nonlinear electromagnetic Lagrangian to be nonnegative, so the Lagrangian surface is convex.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
hep-th 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Axiomatic quantum electrodynamics: from causality to convexity of effective action
Causality plus the Maxwell Dominance Principle force the Hessian of the nonlinear electromagnetic Lagrangian to be nonnegative, so the Lagrangian surface is convex.