The paper identifies restrictions on second-order bi-scalar-vector-tensor field equations in 4D spacetime that are variationally derivable, conserve charge, and recover Maxwell's equations when scalars are constant, while noting that a single Lagrangian cannot generate all such equations.
Conservation of charge and the Einstei n-Maxwell field equations
3 Pith papers cite this work. Polarity classification is still indexing.
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Quasi-topological electromagnetism defined via (F∧F)^2 yields p = -ρ fluid behavior, alters dyonic black holes with up to four horizons and three photon spheres, and acts as dark energy that can couple to scalars while preserving FLRW solutions.
A review thesis covering Mukhanov parametrization, general scalar-tensor theories, and new slow-roll techniques for canonical and noncanonical inflation observables.
citing papers explorer
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Second-Order Bi-Scalar-Vector-Tensor Field Equations Compatible with Conservation of Charge in a Space of Four-Dimensions
The paper identifies restrictions on second-order bi-scalar-vector-tensor field equations in 4D spacetime that are variationally derivable, conserve charge, and recover Maxwell's equations when scalars are constant, while noting that a single Lagrangian cannot generate all such equations.
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Quasi-topological Electromagnetism: Dark Energy, Dyonic Black Holes, Stable Photon Spheres and Hidden Electromagnetic Duality
Quasi-topological electromagnetism defined via (F∧F)^2 yields p = -ρ fluid behavior, alters dyonic black holes with up to four horizons and three photon spheres, and acts as dark energy that can couple to scalars while preserving FLRW solutions.
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Noncanonical Approaches To Inflation
A review thesis covering Mukhanov parametrization, general scalar-tensor theories, and new slow-roll techniques for canonical and noncanonical inflation observables.