Macroscopic quantum coherence and quantum complete synchronization in molecular optomechanical system

Jia-Xin Peng, Chengsong Zhao, P. Djorwe, Kongkui Berinyuy Emale, Zhong-Wei Yu and Muhammad Asjad

Chaos, Solitons & Fractals, 2025, vol. 197, issue C

Abstract: Large-scale coherence networks are key platforms for implementing multichannel quantum information processing and quantum computation. Here, we show how to prepare macroscopic quantum coherence between the cavity field (molecular collective mode) and the molecular collective mode (molecular collective mode) in a molecular optomechanical system composed of N organic molecules. The results indicate that increasing the number of molecules can significantly improve the cavity–molecule and the molecule–molecule quantum coherences. In addition, we find that the equal weight distribution of the two molecular collective modes can establish the strongest molecule–molecule quantum coherence. Particularly, the two types of quantum coherence prepared exhibit strong robustness to bath temperature and molecular damping channel. Further, we discuss the quantum complete synchronization of the two molecular collective modes, and then explore the potential relationship between quantum synchronization and quantum coherence. Finally, a strategy is provided to detect the quantum coherence and quantum synchronization.

Keywords: Quantum coherence; Quantum complete synchronization; Molecular optomechanics (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:197:y:2025:i:c:s0960077925004862

DOI: 10.1016/j.chaos.2025.116473

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