Certifying bipartite entanglement on a superconducting processor from a corrected QAOA cost layer

arXiv:2609.09495 · quant-ph · Submitted 2026-09-08 · Read on arXiv

quant-ph

Submitted: 2026-09-08

Updated: 2026-09-26

Code: https://github.com/qilimanjaro-tech/qililab

Terminology

• Entanglement — 82× in this paper · explained in 3 episodes
• Calibration — 45× in this paper · explained in 7 episodes
• Fidelity — 36× in this paper · explained in 2 episodes
• Provenance — 7× in this paper · explained in 3 episodes
• Ablation — 4× in this paper · explained in 1 episode
• Barcelona Supercomputing Center — 3× in this paper
• Benchmarking — 3× in this paper · explained in 3 episodes
• Robustness — 3× in this paper · explained in 5 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Quantum Approximate Optimisation Algorithm — 2× in this paper
• Spectral Gap — 2× in this paper · explained in 5 episodes
• Objective Function — 1× in this paper · explained in 2 episodes
• Quantum Circuits — 1× in this paper · explained in 2 episodes

Sources

• A Quantum Approximate Optimization Algorithm
• A Tutorial on Formulating and Using QUBO Models
• For Fixed Control Parameters the Quantum Approximate Optimization Algorithm's Objective Function Value Concentrates for Typical Instances
• Reachability Deficits in Quantum Approximate Optimization of Graph Problems
• Solving boolean satisfiability problems with the quantum approximate optimization algorithm
• Noise-Induced Barren Plateaus in Variational Quantum Algorithms
• Limitations of optimization algorithms on noisy quantum devices
• Quantum Approximate Optimization of Non-Planar Graph Problems on a Planar Superconducting Processor
• Scaling of the quantum approximate optimization algorithm on superconducting qubit based hardware
• Validating quantum computers using randomized model circuits
• Measuring the Capabilities of Quantum Computers
• Mixed-state entanglement from local randomized measurements
• Symmetry-resolved entanglement detection using partial transpose moments
• Predicting Many Properties of a Quantum System from Very Few Measurements
• The randomized measurement toolbox
• Scalable mitigation of measurement errors on quantum computers
• Mitigating measurement errors in multi-qubit experiments
• Efficient variational quantum simulator incorporating active error minimisation
• Mitiq: A software package for error mitigation on noisy quantum computers
• Practical Quantum Error Mitigation for Near-Future Applications

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