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Relativistic deformed kinematics from locality conditions in a generalized spacetime
J. M. Carmona, J. L. Cortes, J. J. Relancio
We show how a deformed composition law of four-momenta can be used to define, at the classical level, a modified notion of spacetime for a system of two particles through the cross…
Spacetime and deformations of special relativistic kinematics
J. M. Carmona, J. L. Cortes, J. J. Relancio
A deformation of special relativistic kinematics (possible signal of a theory of quantum gravity at low energies) leads to a modification of the notion of spacetime. At the classic…
Relativistic deformed kinematics from momentum space geometry
J. M. Carmona, J. L. Cortes, J. J. Relancio
We present a way to derive a deformation of special relativistic kinematics (possible low energy signal of a quantum theory of gravity) from the geometry of a maximally symmetric c…
Observers and their notion of spacetime beyond special relativity
J. M. Carmona, J. L. Cortes, J. J. Relancio
It is plausible that quantum gravity effects may lead us to a description of Nature beyond the framework of special relativity. In this case, either the relativity principle is bro…
Spacetime from locality of interactions in deformations of special relativity: the example of -Poincaré Hopf algebra
J. M. Carmona, J. L. Cortes, J. J. Relancio
A new proposal for the notion of spacetime in a relativistic generalization of special relativity based on a modification of the composition law of momenta is presented. Locality o…
Does a deformation of special relativity imply energy dependent photon time delays?
J. M. Carmona, J. L. Cortes, J. J. Relancio
Theoretical arguments in favor of energy dependent photon time delays from a modification of special relativity (SR) have met with recent gamma ray observations that put severe con…