From Short- to Long-Range Signal Tunneling
Research results in superluminal pulse transmission indicate propagations with velocities faster than the speed of light. This has so far been considered a short-range effect to be applied within distances of several centimeters. Based on these results and the corresponding theory of quantum tunneling the authors revisit such experiments with distances of several meters. They show that long-range superluminal signal transmission is possible and that it is only restricted by the actual signal bandwidth.
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