12 papers
Emergent Space, Time, and the Speed of Light from Binary Sequences
Sam Powers, Dejan Stojkovic
We show that the complete kinematic structure of special relativity emerges from pairs of binary sequences of length under the single operation of bitwise XOR. A physical event…
Signals of Doomsday III: Cosmological signatures of the late time symmetry breaking
Amartya Sengupta, Dejan Stojkovic
Of the universe's original gauge symmetries, only (quantum chromodynamics) and (electromagnetism) remain unbroken today. There is, however, no reason to a…
The signals of doomsday II: Cosmological signatures of late time symmetry breaking
Amartya Sengupta, Dejan Stojkovic, L. C. R. Wijewardhana
Only two gauge symmetries remain unbroken today: and . Both are crucial to our universe as it is and to our form of life. Unless we are special observers a…
The Signals of Doomsday I: False Higgs vacuum decay signatures
Amartya Sengupta, Dejan Stojkovic, De-Chang Dai
The measured standard model parameters indicate that we might live in a false Higgs vacuum, though with a very long lifetime. However, small black holes can serve as catalysers and…
Modified Teukolsky formalism: Null testing and numerical benchmarking
Fawzi Aly, Mahmoud A. Mansour, Luis Lehner +3
Next-generation gravitational-wave detectors will make black-hole ringdown an increasingly sensitive probe of small departures from General Relativity in the strong-field regime. T…
Coupling between gravitational and electromagnetic perturbations on Kerr Spacetime
Fawzi Aly, Dejan Stojkovic
We extend our previous Schwarzschild metric-based studies of gravitational--electromagnetic (GEM) coupling to rotating black holes by working directly in a curvature-based Newman--…