Quantum teleportation with relativistic communication from first principles
arXiv:2206.09294 · doi:10.1103/PhysRevA.106.032432
Abstract
In this work we provide a genuine relativistic quantum teleportation protocol whose classical communication component makes use of relativistic causal propagation of a quantum field. Consequently, the quantum teleportation is fully relativistic by construction. Our scheme is based on Unruh-DeWitt qubit detector model, where the quantum state being teleported is associated to an actual qubit rather than a field mode considered by Alsing and Milburn [PRL 91, 180404 (2003)]. We show that the existing works in (relativistic) quantum information, including good definitions of one-shot and asymptotic channel capacities, as well as algebraic formulation of quantum field theory, already provide us with all the necessary ingredients to construct fundamentally relativistic teleportation protocol in relatively straightforward manner.
arXiv comment15 pages; RevTeX4-2; no figure; arXiv admin note: text overlap with arXiv:2206.02316. v3: fixed to match published version
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