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• A reconfigurable intelligent surface (RIS) enhances the secret key rate (SKR) of a THz MIMO CV-QKD system.result 95%
• The RIS extends the secure communication range of the THz MIMO CV-QKD system.result 95%
• Novel analytical expressions for the achievable secret key rate (SKR) are derived for both localized and global eavesdropping scenarios.technical 90%
• An optimization framework using particle swarm optimization (PSO) can determine the optimal RIS phase configuration to maximize SKR.method 90%
• The system's security is analyzed under collective Gaussian entangling attacks where Eve accesses environmental modes of specific propagation segments.technical 85%
• The system uses homodyne detection and reverse reconciliation for key extraction at the legitimate receiver, Bob.method 90%
• RIS-assisted THz MIMO CV-QKD is a promising solution for next-generation secure wireless networks.market 80%
• THz communication is often preferred over Free-Space Optical (FSO) for QKD due to better weather resilience and easier deployment.technical 75%

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