Generalized measure of quantum synchronization

We present a generalized information-theoretic measure of synchronization in quantum systems. This measure is applicable to dynamics of anharmonic oscillators, few-level atoms, and coupled oscillator networks. Furthermore, the new measure allows us to discuss synchronization of disparate physical sy...

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Bibliographic Details
Published in:Physical review research 2020-11, Vol.2 (4), p.043287, Article 043287
Main Authors: Jaseem, Noufal, Hajdušek, Michal, Solanki, Parvinder, Kwek, Leong-Chuan, Fazio, Rosario, Vinjanampathy, Sai
Format: Article
Language:English
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Summary:We present a generalized information-theoretic measure of synchronization in quantum systems. This measure is applicable to dynamics of anharmonic oscillators, few-level atoms, and coupled oscillator networks. Furthermore, the new measure allows us to discuss synchronization of disparate physical systems such as coupled hybrid quantum systems and coupled systems undergoing mutual synchronization that are also driven locally. In many cases of interest, we find a closed-form expression for the proposed measure.
ISSN:2643-1564
2643-1564
DOI:10.1103/PhysRevResearch.2.043287