The speed of quantum information and the preferred frame: analysis of experimental data

Valerio Scarani, Wolfgang Tittel, Hugo Zbinden, Nicolas Gisin

Published 2000-07-04Version 1

The results of EPR experiments performed in Geneva are analyzed in the frame of the cosmic microwave background radiation, generally considered as a good candidate for playing the role of preferred frame. We set a lower bound for the speed of quantum information in this frame at 1.5 x 10^4 c.