Die u:cris Detailansicht:

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

Autor(en)
Jan Kohlrus, David Edward Bruschi, Jorma Louko, Ivette Fuentes
Abstrakt

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.

Organisation(en)
Quantenoptik, Quantennanophysik und Quanteninformation
Externe Organisation(en)
University of Nottingham, Hebrew University Jerusalem, University of York
Journal
EPJ Quantum Technology
Band
4
Anzahl der Seiten
13
ISSN
2196-0763
DOI
https://doi.org/10.1140/epjqt/s40507-017-0061-0
Publikationsdatum
04-2017
Peer-reviewed
Ja
ÖFOS 2012
103025 Quantenmechanik, 103028 Relativitätstheorie
Schlagwörter
ASJC Scopus Sachgebiete
Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Control and Systems Engineering
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/8b018d4e-75a1-4eca-9cdb-a4d500a6aaa6