1212.5233 (Lin-Qing Chen)

Causal loop in the theory of Relative Locality    [PDF]

Lin-Qing Chen

Relative locality is a proposal for describing the Planck scale modifications to relativistic dynamics resulting from non-trivial momentum space geometry. A simple construction of interaction processes shows that Relative Locality allows for existence of causal loops, which arises from the phase space structure of the theory. The general condition allowing such process to happen is studied. We showcase this when the geometry of momentum space is taken to be Kappa-Poincare momentum space.

View original: http://arxiv.org/abs/1212.5233