Time travel in a space-time ring resonator

@inproceedings{Czachor2018TimeTI,
  title={Time travel in a space-time ring resonator},
  author={Marek Czachor},
  year={2018}
}
A ring resonator can be treated as a universal model of a looped dynamics in a Hilbert space. A particular example of a loop occurs in the problem of time travel in space-times whose topologies allow for closed timelike curves (CTCs). I generalize the ring-cavity formalism to an abstract Hilbert-space level. I show that it automatically removes logical inconsistencies associated with chronology protection, provided all input-output relations are given by unitary maps. Examples of elementary… CONTINUE READING

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