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Abstract: An open question in the field of relativistic quantum information is howparties in arbitrary motion may distribute and store quantum entanglement. Wepropose a scheme for storing quantum information in the field modes of cavitiesmoving in flat space-time and analyze it in a quantum field theoreticalframework. In contrast to previous work that found entanglement degradationbetween observers moving with uniform acceleration, we find the quantuminformation in such systems is protected. We further discuss a method forestablishing the entanglement in the first place and show that in principle itis always possible to produce maximally entangled states between the cavities.



Autor: T. G. Downes, I. Fuentes, T. C. Ralph

Fuente: https://arxiv.org/







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