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quant-ph2026
Kardar-Parisi-Zhang superdiffusion in chaotic quantum circuits
Rustem Sharipov, Urban Duh, Sun Woo P. Kim +1
We construct a family of chaotic brickwork quantum circuits exhibiting superdiffusive transport with dynamical exponent in the full Kardar--Parisi--Zhang (KPZ) universality…
quant-ph2024★ 7 cited
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★ 4 cited
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…