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7 papers · 1 filter
Noether charge and black hole entropy in teleparallel gravity
F. Hammad, D. Dijamco, A. Torres-Rivas +1
The Noether charge associated to diffeomorphism invariance in teleparallel gravity is derived. It is shown that the latter yields the ADM mass of an asymptotically flat spacetime.…
Prospects for testing the inverse-square law and gravitomagnetism using quantum interference
Fayçal Hammad, Alexandre Landry, Kaleb Mathieu
We examine a simple tabletop experimental setup for probing the inverse-square law of gravity and detecting eventual deviations therefrom. The nature of the setup allows indeed to…
Landau levels in a gravitational field: The Levi-Civita and Kerr spacetimes case
Fayçal Hammad, Alexandre Landry
We have recently found that the gravitational field of a static spherical mass removes the Landau degeneracy of the energy levels of a particle moving around the mass inside a magn…
Variational Approach of Critical Sharp Front Speeds in Density-dependent Diffusion Model with Time Delay
Tianyuan Xu, Shanming Ji, Ming Mei +1
For the classical reaction diffusion equation, the priori speed of fronts is determined exactly in the pioneering paper (R.D. Benguria and M.C. Depassier, {\em Commun. Math. Phys.}…
Sharp, Smooth, and Oscillatory Traveling Waves of Degenerate Diffusion Equation with Delay
Tianyuan Xu, Shanming Ji, Ming Mei +1
We consider the non-monotone degenerate diffusion equation with time delay. Different from the linear diffusion equation, the degenerate equation allows for semi-compactly supporte…
Landau levels in a gravitational field: The Schwarzschild spacetime case
Alexandre Landry, Fayçal Hammad
We investigate the gravitational effect on Landau levels. We show that the familiar infinite Landau degeneracy of the energy levels of a quantum particle moving inside a uniform an…