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8 papers · 1 filter
Phenomenology of Particle Production and Propagation in String-Motivated Canonical Noncommutative Spacetime
Giovanni Amelino-Camelia, Luisa Doplicher, Soonkeon Nam +1
We outline a phenomenological programme for the search of effects induced by (string-motivated) canonical noncommutative spacetime. The tests we propose are based, in analogy with…
Space-time quantum solves three experimental paradoxes
Giovanni Amelino-Camelia
I show that a Planck-scale deformation of the relativistic dispersion relation, which has been independently considered in the quantum-gravity literature, can explain the surprisin…
Observed threshold anomalies as the first hope of a manifestation of Planck-length physics
Giovanni Amelino-Camelia
The observations of photons from the BL Lac object Mk501 with energies above 10 TeV and of cosmic rays with energies above the GZK threshold appear to be inconsistent with conventi…
Status of Relativity with observer-independent length and velocity scales
Giovanni Amelino-Camelia
I have recently shown that it is possible to formulate the Relativity postulates in a way that does not lead to inconsistencies in the case of space-times whose structure is govern…
Coproduct and star product in field theories on Lie-algebra non-commutative space-times
Giovanni Amelino-Camelia, Michele Arzano
We propose a new approach to field theory on -Minkowski non-commutative space-time, a popular example of Lie-algebra space-time. Our proposal is essentially based on the introdu…
A phenomenological description of quantum-gravity-induced space-time noise
Giovanni Amelino-Camelia
I propose a phenomenological description of space-time foam and discuss the experimental limits that are within reach of forthcoming experiments.
Phenomenological description of space-time foam
Giovanni Amelino-Camelia
The expectation that it should not be possible to gain experimental insight on the structure of space-time at Planckian distance scales has been recently challenged by several stud…
Absorption of TeV Photons and -deformed Poincaré algebra
G. Amelino-Camelia, J. Lukierski, A. Nowicki
We consider the process of collision between a hard photon and a soft photon producing an electron-positron pair, under the assumption that the kinematics be described according to…