Jan Kohlrus
Quantum communications and quantum metrology in the spacetime of a rotating planet
Kohlrus, Jan; Bruschi, David Edward; Louko, Jorma; Fuentes, Ivette
Authors
David Edward Bruschi
JORMA LOUKO JORMA.LOUKO@NOTTINGHAM.AC.UK
Professor of Mathematical Physics
Ivette Fuentes
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.
Citation
Kohlrus, J., Bruschi, D. E., Louko, J., & Fuentes, I. (2017). Quantum communications and quantum metrology in the spacetime of a rotating planet. EPJ Quantum Technology, 4, Article 7. https://doi.org/10.1140/epjqt/s40507-017-0061-0
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 11, 2017 |
Publication Date | Apr 20, 2017 |
Deposit Date | Aug 7, 2017 |
Publicly Available Date | Aug 7, 2017 |
Journal | EPJ Quantum Technology |
Electronic ISSN | 2196-0763 |
Publisher | EDP Open |
Peer Reviewed | Peer Reviewed |
Volume | 4 |
Article Number | 7 |
DOI | https://doi.org/10.1140/epjqt/s40507-017-0061-0 |
Keywords | Satellite communications; Quantum metrology; Kerr spacetime |
Public URL | https://nottingham-repository.worktribe.com/output/856601 |
Publisher URL | https://doi.org/10.1140/epjqt/s40507-017-0061-0 |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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