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quant-ph2025
Integrability is generic in homogeneous U(1)-invariant nearest-neighbor qubit circuits
Marko Znidaric, Urban Duh, Lenart Zadnik
Integrability is an exceptional property believed to hold only for systems with fine-tuned parameters. Contrary, we explicitly show that in homogeneous nearest-neighbor qubit circu…
quant-ph2024
Classification of same-gate quantum circuits and their space-time symmetries with application to the level-spacing distribution
Urban Duh, Marko Znidaric
We study Floquet systems with translationally invariant nearest-neighbor 2-site gates. Depending on the order in which the gates are applied on an N-site system with periodic bound…