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Trapped Ion Quantum Computing

Quantum communications and quantum metrology in the spacetime of a rotating planet

arXiv
Authors: Jan Kohlrus, David Edward Bruschi, Jorma Louko, Ivette Fuentes

Year

2015

Paper ID

26148

Status

Preprint

Abstract Read

~2 min

Abstract Words

104

Citations

1

Abstract

We study how quantum systems that propagate in the spacetime of a rotating planet are affected by the curved background. Spacetime curvature affects wavepackets of photons propagating from Earth to a satellite, and the changes in the wavepacket encode the parameters of the spacetime. This allows us to evaluate quantitatively how quantum communications are affected by the curved spacetime background of the Earth and to achieve precise measurements of Earth's Schwarzschild radius and equatorial angular velocity. We then provide a comparison with the state of the art in parameter estimation obtained through classical means. Satellite to satellite communications and future directions are also discussed.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • We study how quantum systems that propagate in the spacetime of a rotating planet are affected by the curved background.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1511.04256 [2] arXiv https://arxiv.org/abs/1511.04256 [3] Publisher https://arxiv.org/abs/1511.04256

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External citation index: OpenAlex citation signal • updated 2026-06-20 13:03:05

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