The Prospect of Quantum Technologies in Space for Defence and Security

Krelina, M.

doi:10.1016/j.spacepol.2023.101563

Space Policy

2023

DOI: 10.1016/j.spacepol.2023.101563

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The Prospect of Quantum Technologies in Space for Defence and Security

M. Krelina

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Cited by 3 publications

References 23 publications

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Advancements in Quantum Optics: Harnessing the Power of Photons for Next-Generation Technologies

Shaker,

Al-Amiery,

Isahak

et al. 2023

J Opt

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Advancements in Quantum Optics: Harnessing the Power of Photons for Next-Generation Technologies

Shaker,

Al-Amiery,

Isahak

et al. 2023

J Opt

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Maximization of rf-signal recovery in quantum microwave photonics systems

Jin,

Li,

Yang

et al. 2024

Phys. Rev. Applied

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Making two particle detectors in flat spacetime communicate quantumly

Lapponi,

Louko,

Mancini

2024

Phys. Rev. D

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A communication protocol with nonzero quantum capacity is found when the two communicating parts are particle detector models in (3+1)-dimensional spacetime. In particular, as detectors, we consider two harmonic oscillators interacting with a scalar field, whose evolution is generalized for whatever background spacetime and whatever spacetime smearing of the detectors. We then specialize to Minkowski spacetime and an initial Minkowski vacuum, considering a rapid interaction between the field and the two detectors, studying the case where the receiver is static and the sender is moving. The possibility to have a quantum capacity greater than zero stems from a relative acceleration between the detectors. Indeed, no reliable quantum communication is possible when the two detectors are static or moving inertially with respect to each other, but a reliable quantum communication can be achieved between a uniformly accelerated sender and an inertial receiver. Published by the American Physical Society 2024

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The Prospect of Quantum Technologies in Space for Defence and Security

Cited by 3 publications

References 23 publications

Advancements in Quantum Optics: Harnessing the Power of Photons for Next-Generation Technologies

Advancements in Quantum Optics: Harnessing the Power of Photons for Next-Generation Technologies

Maximization of rf-signal recovery in quantum microwave photonics systems

Making two particle detectors in flat spacetime communicate quantumly

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