28 янв. 2016 г. · The phase velocity can be faster than light. Some argue that the phase velocity doesn't convey information, but this doesn't convince me. Phase velocity greater then the speed of light? What does phase velocity physically represent, and why can it ... Why the phase velocity of X-rays inside glass is faster than $c Другие результаты с сайта physics.stackexchange.com

The scientific consensus is that they do not exist. According to all observations and current scientific theories, matter travels at slower-than-light ( ...

28 сент. 2018 г. · In short, no. The reason is that phase velocity is equal to the propagation speed of the wave. For light, that speed IS c. Why is the phase velocity of an electromagnetic wave ... Can group velocity be faster than the speed of light? Why is the phase velocity of de Broglie waves greater ... How could the phase velocity of light travel faster than ... Другие результаты с сайта www.quora.com

The phase velocity of a wave is the rate at which the wave propagates in any medium. This is the velocity at which the phase of any one frequency component ... Group velocity · Refractive index · References

12 мар. 2016 г. · In those cases where the phase velocity is faster than light, the group velocity is generally slower than light, ensuring that no ...

1 сент. 2000 г. · The NEC experiment shows faster-than-light group velocity. But since in the anomalous region the group velocity is faster than the phase ...

19 мая 2000 г. · Physicists have been concocting light pulses that do travel faster than c (the speed of light in a vacuum) for almost two decades.

27 янв. 2002 г. · The phase velocity is the speed with which the maxima and minima of the light wave move forward. In vacuum, all frequencies of light have a ...

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Опубликовано: 2 авг. 2023 г.