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Digital Quantum Simulation, Trotter Errors, and Quantum Chaos of the Kicked Top
Lukas M. Sieberer, Tobias Olsacher, Andreas Elben +4
This work aims at giving Trotter errors in digital quantum simulation (DQS) of collective spin systems an interpretation in terms of quantum chaos of the kicked top. In particular,…
Quantifying and controlling prethermal nonergodicity in interacting Floquet matter
Kevin Singh, Cora J. Fujiwara, Zachary A. Geiger +10
The use of periodic driving for synthesizing many-body quantum states depends crucially on the existence of a prethermal regime, which exhibits drive-tunable properties while fores…
Measuring a Dynamical Topological Order Parameter in Quantum Walks
Xiao-Ye Xu, Qin-Qin Wang, Markus Heyl +9
Quantum processes of inherent dynamical nature, such as quantum walks (QWs), defy a description in terms of an equilibrium statistical physics ensemble. Up to now, it has remained…
Quantum localization bounds Trotter errors in digital quantum simulation
Markus Heyl, Philipp Hauke, Peter Zoller
A fundamental challenge in digital quantum simulation (DQS) is the control of inherent errors. These appear when discretizing the time evolution generated by the Hamiltonian of a q…