Definition of tachyon in English:
A hypothetical particle that travels faster than light.
- Small subatomic particles such as photons, particles of light, and hypothetical particles called tachyons seem to have no problem reaching light speed.
- The biggest problem with bosonic string theory (aside from the lack of fermions) is that the lowest energy state was a tachyon, or a particle mode with negative mass squared.
- The existence of tachyons is allowed by the equations of Einstein's special theory of relativity.
Definition of tachyon in:
- US English dictionary
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