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A graphical diagnostic of topological order using ZX calculus

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Working with researchers at the CNRS and the Donostia International Physics Center, we developed a graphical way to identify topological order using ZX calculus, without relying on traditional entanglement-entropy calculations. Understanding and diagnosing these robust forms of quantum order is an important step toward controlling complex quantum systems, helping develop the foundations for fault-tolerant quantum computation and the quantum resources needed for useful computation.

Date: 15/01/2025
Journal/conference link and reference: N/A

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