Physicists beat the speed of light using pulses inside a hot plasma

(ORDO NEWS) — Physicists in the US have shown for the first time that, under certain conditions, waves made up of groups of photons can travel faster than light.

To achieve similar results, researchers at Lawrence Livermore National Laboratory in California and the University of Rochester in New York have been actively playing with limiting the speed of light pulses for some time.

They did this by speeding up and even slowing down the pulses to a virtual stop using various materials such as cold atomic gases, refractive crystals and optical fibers.

From a theoretical point of view, the experiment helped to concretize plasma physics, and it also imposes new restrictions on the accuracy of modern models.

From a practical point of view, this is good news for advanced technologies waiting in the wings and clues on how to get around the obstacles that prevent their implementation.

A detailed description of this new study has been published in the journal Physical Review Letters.


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