… limit of l Planck /1.2 on the length scale of the effect). Our results disfavour quantum-gravity
theories 3 , 6 , 7 in which the quantum … on a very small scale linearly alters the speed of light. …

… we found that in the very recent experimental article, “A limit on the variation of the speed
of light arising from quantum gravity effects” by the Fermi LAT and GBM Collaborations, (Nature …

… As well Torr and Kolen reported fluctuations in both the magnitude, from 1–3 ns, and the
time of maximum variations in travel time. These effects are interpreted as arising from the …

… we expect the singular characteristic to change sign, then we … implications of the universality
of equation (2.6) for velocity … relativistic variation of mass with velocity is derived from the …

… More is needed for fixing the Einstein field equations and the structure of quantum … possible
Quantum Gravity effects is discussed and a strategy for a dedicated search for such effects is …

… 1In nonrelativistic quantum mechanics, the time delay can be … arise when dealing with
superluminal low-energy speed in … is no limit to how long we may wait to integrate this effect up, …

… effect of gravity will result only in a relative phase shift between the two arms. We discuss
what aspects of the interplay between quantum mechanics … be explained as arising due to an …

… Allowing a fractional change in the speed of light equal to the … The actual energy dependent
change in the speed of light is … dispersion arising from quantum gravity effects, we consider …

… the consistency of quantum mechanics with gravity, while this superluminal effect challenges
our … A further subtle question arises if we write the standard optics dispersion relation for the …

… , MQG,1/MPlanck ≥ several (see Table 2), is much stronger than the previous best limit of this
… , in most quantum gravity scenarios, MQG,n <~ MPlanck, even our most conservative limit (…