Quantum physics in space

Belenchia, Alessio and Carlesso, Matteo and Bayraktar, Ömer and Dequal, Daniele and Derkach, Ivan and Gasbarri, Giulio and Herr, Waldemar and Li, Ying Lia and Rademacher, Markus and Sidhu, Jasminder and Oi, Daniel K.L. and Seidel, Stephan T. and Kaltenbaek, Rainer and Marquardt, Christoph and Ulbricht, Hendrik and Usenko, Vladyslav C. and Wörner, Lisa and Xuereb, André and Paternostro, Mauro and Bassi, Angelo (2022) Quantum physics in space. Physics Reports, 951. pp. 1-70. ISSN 0370-1573 (https://doi.org/10.1016/j.physrep.2021.11.004)

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Abstract

Advances in quantum technologies are giving rise to a revolution in the way fundamental physics questions are explored at the empirical level. At the same time, they are the seeds for future disruptive technological applications of quantum physics. Remarkably, a space-based environment may open many new avenues for exploring and employing quantum physics and technologies. Recently, space missions employing quantum technologies for fundamental or applied studies have been proposed and implemented with stunning results. The combination of quantum physics and its space application is the focus of this review: we cover both the fundamental scientific questions that can be tackled with quantum technologies in space and the possible implementation of these technologies for a variety of academic and commercial purposes.