Efficient Computation of QKD Key Rates without Semidefinite Programming

arXiv:2608.23285 · quant-ph · Submitted 2026-08-24 · Read on arXiv

quant-ph

Submitted: 2026-08-24

Updated: 2026-09-17

Terminology

• Gibbs State — 17× in this paper · explained in 2 episodes
• Trace — 13× in this paper · explained in 2 episodes
• Benchmark — 9× in this paper · explained in 2 episodes
• Effective Hamiltonian — 4× in this paper · explained in 2 episodes
• Entanglement — 4× in this paper · explained in 3 episodes
• Core — 3× in this paper · explained in 2 episodes
• Benchmarking — 2× in this paper · explained in 3 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Hilbert Space — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Adaptability — 1× in this paper · explained in 1 episode
• Additivity — 1× in this paper · explained in 1 episode
• Decoupling — 1× in this paper · explained in 2 episodes
• Distillation — 1× in this paper · explained in 2 episodes
• Objective Function — 1× in this paper · explained in 2 episodes
• Post-Selection — 1× in this paper · explained in 2 episodes
• Reconstruction Error — 1× in this paper · explained in 2 episodes
• Trace Distance — 1× in this paper · explained in 3 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Marginal-constrained entropy accumulation theorem
• QICS: Quantum Information Conic Solver
• Security proofs for practical QKD: variations, techniques, gaps, and limitations
• Effective discrete-modulated continuous variable QKD under general attacks
• Reliable Entropy Estimation from Observed Statistics for Device-Independent Quantum Cryptography
• Classical and Quantum Iterative Optimization Algorithms Based on Matrix Legendre-Bregman Projections
• Variational Quantum State Eigensolver

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