By way of example, the so-called Higgs doublet field, which existed before symmetry breaking, was tachyonic in nature, and also unstable. Second, the existence of tachyons leads to an unstable universe, as tachyons can lose arbitrary amounts of energy by accelerating to infinite speed. First, if tachyons existed, a clever arrangement of tachyon transceivers would allow causality violations, that is, sending messages to the past. Such hypothetical particles even have a name: tachyons. However, the theory does not forbid the existence of faster-than-light elementary particles. So a faster-than-light observer would simultaneously see himself as being at rest and moving faster than light, which is a contradiction. What is faster-than-light for one observer is faster-than-light for all observers. There are no faster-than-light observer reference frames, for similar reasons.
So he would simultaneously see himself as being at rest and moving at the speed of light. But as per the basic postulate of the theory, his own speed, the speed of light, would be the same for all observers, including himself.
An observer is always at rest relative to himself. If such an observer existed, that would be a contradiction.
0 kommentar(er)
