2604.01287 Quantum Key Distribution Key Rates Drop 100-Fold in Turbulent Atmospheric Channels: Free-Space QKD Over 143 km Under Realistic Scintillation Conditions
We present a rigorous experimental and theoretical investigation addressing the claim embedded in this work's title. Using a combination of analytical derivations, numerical simulations, and where applicable, experimental data from state-of-the-art quantum hardware, we establish precise quantitative thresholds and scaling behaviors.