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11 papers · 1 filter
Scalar Pre-potentials for Spinor and Tensor Fields on Spacetime
Robin W. Tucker, Timothy J. Walton
We review a technique for solving a class of classical linear partial differential systems of relevance to physics in Minkowski spacetime. All the equations are amenable to analysi…
Temporary Singularities and Axions: an analytic solution that challenges charge conservation
Jonathan Gratus, Paul Kinsler, Martin W. McCall
We construct an analytic solution to Maxwell's equations that violates global charge conservation, by building on the possibilities demonstrated in [Foundations of Physics 49, 330…
The Distributional Stress-Energy Quadrupole
Jonathan Gratus, Paolo Pinto, Spyridon Talaganis
We investigate stress-energy tensors constructed from the delta function on a worldline. We concentrate on quadrupoles as they make an excellent model for the dominant source of gr…
A new paradigm for the dynamics of the early Universe
Robin W. Tucker, Timothy J. Walton, Manuel Arrayás +1
This paper invokes a new mechanism for reducing a coupled system of fields (including Einstein's equations without a cosmological constant) to equations that possess solutions exhi…
Evaporating black-holes, wormholes, and vacuum polarisation: must they always conserve charge?
Jonathan Gratus, Paul Kinsler, Martin W. McCall
A careful examination of the fundamentals of electromagnetic theory shows that due to the underlying mathematical assumptions required for Stokes' Theorem, global charge conservati…
Chirality in Gravitational and Electromagnetic Interactions with Matter
Robin W. Tucker, Timothy J. Walton
It has been suggested that single and double jets observed emanating from certain astrophysical objects may have a purely gravitational origin. We discuss new classes of pulsed gra…