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Erlangen 2022 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 61: Quantum Optics (Miscellaneous)

Q 61.10: Poster

Thursday, March 17, 2022, 16:30–18:30, P

Collective phenomena in a system of two interacting qubits — •Robin Rüdiger Krill, Tom Schmit, and Giovanna Morigi — Theoretische Physik, Universität des Saarlandes, 66123 Saarbrücken, Germany

Collective phenomena play a fundamental role in classical physics as well as quantum physics. A prominent classical collective phenomenon is synchronization, where the constituents of an interacting many-body system move in unison. Recently, efforts were made to extend the notion of synchronization to quantum systems [1]. Drawing from a recent work [2], we analyse the relation between superradiance [3], subradiance, and synchronization, focussing in particular on the timescale characterizing the onset of these phenomena.
 
[1] R. H. Dicke, Phys. Rev. 93, 99 (1954).
[2] F. Galve, G. L. Giorgi, and R. Zambrini, Quantum Science and Technology. Springer, Cham. pp. 393-420 (2017).
[3] B. Bellomo, G. L. Giorgi, G. M. Palma, and R. Zambrini, Phys. Rev. A 95, 043807 (2017).

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