Measuring the entanglement-breaking index of a qubit collision channel on a quantum processor: protocol and worked example

arXiv:2609.09350 · quant-ph · Submitted 2026-09-08 · Read on arXiv

quant-ph

Submitted: 2026-09-08

Updated: 2026-09-26

Terminology

• Entanglement — 43× in this paper · explained in 3 episodes
• Calibration — 6× in this paper · explained in 7 episodes
• Quantum Circuits — 3× in this paper · explained in 2 episodes
• All-to-All Connectivity — 2× in this paper · explained in 1 episode
• Fidelity — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Simulating the Dynamics of Markovian Quantum Processes by Quantum Collision Models on Quantum Computers
• Experimental entanglement restoration on entanglement-breaking channels
• Entanglement breaking in self-referential quantum feedback: a record bound and an exactly solvable loop

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