Abstract
In this paper, we have studied entanglement between two Dirac modes observed, respectively, by two independently accelerated observers. Due to Unruh effect, the entanglement degrades, but residual entanglement remains in the limit of infinite accelerations. We have also investigated quantum teleportation using entangled Dirac modes, and calculated the fidelities in various cases. In general, the fidelity depends on both the single-qubit state and the Bell state used in the teleportation.
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