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Updated: Mar 16, 2026

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method
Published on: September 3, 2021
Entanglement revive and information flow within the decoherent environment
Jia-Dong Shi1, Dong Wang1, Liu Ye1
1School of Physics &Material Science, Anhui University, Hefei, 230601, China.
Entanglement dynamics in noisy environments show revival behavior. Subsystem-environment coupling drives quasi-periodic entanglement revival through information flow analysis.
Area of Science:
- Quantum Information Science
- Quantum Dynamics
Background:
- Entanglement is a key quantum resource.
- Noisy environments degrade quantum states.
- Understanding entanglement dynamics under decoherence is crucial.
Purpose of the Study:
- Investigate entanglement dynamics in noisy environments.
- Reveal and explain entanglement revival behavior.
- Explore information flow and correlations.
Main Methods:
- Information-theoretic approach.
- Analysis of correlation distribution.
- Studying information flow in qubit-environment systems.
Main Results:
- Identified quasi-periodic entanglement revival.
- Subsystem-environment coupling induces revival.
- Established dynamical relationships between correlations, entanglement, and local information.
Conclusions:
- Subsystem-environment coupling can lead to entanglement revival.
- Information flow analysis provides insight into non-Markovian dynamics.
- New perspective on quantum decoherence mechanisms.
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