Add to ORKGA simple idea restricting the brane width due to astronomical observations is proposed. Not to contradict the observational data the brane width should be of about Planck size giving therefore strict criterion in selecting the realistic braneworld models
Aims. The small-scale nature of spacetime can be tested with observations of distant quasars. We com...
The light from a source at a distance d will arrive at detectors separated by 100 AU at times that d...
The time delays between gamma-rays of different energies from extragalactic sources have often been ...
Using a \emph{gedanken} experiment providing presumably a minimal inaccuracy the uncertainty contrib...
AbstractFirst we contemplate the operational definition of space–time in four dimensions in light of...
Plausibly spacetime is "foamy" on small distance scales, due to quantum fluctuations. We elaborate o...
The coherence of the arrival time of particles in the Ultra High Energy Air Showers where the center...
At Planck scale, spacetime is "foamy" because of quantum fluctuations predicted by quantum gravity. ...
One aspect of the quantum nature of spacetime is its "foaminess" at very small scales. Many models f...
Quantum fluctuations of gravitational field with respect to the ADD braneworld background turns out ...
Extra-galactic sources of photons have been used to constrain space-time quantum fluctuations in the...
By analyzing a gedanken experiment designed to measure the distance l between two spatially separate...
It is generally expected that quantum gravity affects the structure of space-time by introducing sto...
Data from four Fermi-detected gamma-ray bursts (GRBs) are used to set limits on spectral dispersion ...
If gamma-ray bursts have a cosmological origin, the sources are expected to trace the large-scale st...
Aims. The small-scale nature of spacetime can be tested with observations of distant quasars. We com...
The light from a source at a distance d will arrive at detectors separated by 100 AU at times that d...
The time delays between gamma-rays of different energies from extragalactic sources have often been ...
Using a \emph{gedanken} experiment providing presumably a minimal inaccuracy the uncertainty contrib...
AbstractFirst we contemplate the operational definition of space–time in four dimensions in light of...
Plausibly spacetime is "foamy" on small distance scales, due to quantum fluctuations. We elaborate o...
The coherence of the arrival time of particles in the Ultra High Energy Air Showers where the center...
At Planck scale, spacetime is "foamy" because of quantum fluctuations predicted by quantum gravity. ...
One aspect of the quantum nature of spacetime is its "foaminess" at very small scales. Many models f...
Quantum fluctuations of gravitational field with respect to the ADD braneworld background turns out ...
Extra-galactic sources of photons have been used to constrain space-time quantum fluctuations in the...
By analyzing a gedanken experiment designed to measure the distance l between two spatially separate...
It is generally expected that quantum gravity affects the structure of space-time by introducing sto...
Data from four Fermi-detected gamma-ray bursts (GRBs) are used to set limits on spectral dispersion ...
If gamma-ray bursts have a cosmological origin, the sources are expected to trace the large-scale st...
Aims. The small-scale nature of spacetime can be tested with observations of distant quasars. We com...
The light from a source at a distance d will arrive at detectors separated by 100 AU at times that d...
The time delays between gamma-rays of different energies from extragalactic sources have often been ...