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physics.class-ph2026
Fermi--Born--Infeld electrodynamics: a nonlinear theory with physical gauge
Renato Vieira dos Santos
We construct a nonlinear extension of Fermi's electrodynamics by incorporating a Born--Infeld structure that depends directly on the four-potential rather than on the field s…
physics.class-ph2026
The Soul of Waves: Physical Interpretation of Dispersion Relations
Renato Vieira dos Santos
This pedagogical paper presents a comprehensive framework for interpreting dispersion relations across fundamental physical systems. We adopt a novel approach that starts from the…