Feinberg reinterpretation principle

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Tachyons are prevented from violating causality by the Feinberg reinterpretation principle[1] which states that a negative-energy tachyon sent back in time in an attempt to violate causality can always be reinterpreted as a positive-energy tachyon travelling forward in time.

References

  1. ^ Feinberg, Gerald (1967). "Possibility of Faster-Than-Light Particles". Physical Review. 159: 1089–1105.