One-Sided Device-Independent Quantum Key Distribution over Noisy Metropolitan Links: Noise Thresholds and Purification-Assisted Recovery

arXiv:2602.00916 · quant-ph · Submitted 2026-01-31 · Read on arXiv

quant-ph

Submitted: 2026-01-31

Updated: 2026-09-24

Terminology

• Entanglement — 83× in this paper · explained in 3 episodes
• Steering — 50× in this paper · explained in 2 episodes
• Fidelity — 12× in this paper · explained in 2 episodes
• Coherence Length — 4× in this paper · explained in 2 episodes
• Adaptation — 2× in this paper · explained in 1 episode
• Distillation — 2× in this paper · explained in 2 episodes
• NPA Hierarchy — 2× in this paper · explained in 2 episodes
• Hybrid Approach — 1× in this paper · explained in 4 episodes
• Quantum Physics — 1× in this paper · explained in 10 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• One-sided DI-QKD secure against coherent attacks over long distances
• Device-independent lower bounds on the conditional von Neumann entropy
• A Study on Thermal Quantum Resources and Probabilistic Teleportation in Spin-1/2 Heisenberg XYZ+DM+KSEA Model under Variable Zeeman Splitting

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