Two-axis twisting using Floquet-engineered XYZ spin models with polar molecules

C Miller, AN Carroll, J Lin, H Hirzler, H Gao, H Zhou… - Nature, 2024 - nature.com
Polar molecules confined in an optical lattice are a versatile platform to explore spin-motion
dynamics based on strong, long-range dipolar interactions,. The precise tunability of Ising …

Robust Hamiltonian engineering for interacting qudit systems

H Zhou, H Gao, NT Leitao, O Makarova, I Cong… - Physical Review X, 2024 - APS
Dynamical decoupling and Hamiltonian engineering are well-established techniques that
have been used to control qubit systems. However, designing the corresponding methods …

Emergent universal quench dynamics in randomly interacting spin models

Y Li, TG Zhou, Z Wu, P Peng, S Zhang, R Fu, R Zhang… - Nature Physics, 2024 - nature.com
Universal behaviour often emerges in the low-energy equilibrium physics of quantum many-
body systems, despite their microscopic differences. Recently, there has been a growing …

Exploiting disorder to probe spin and energy hydrodynamics

P Peng, B Ye, NY Yao, P Cappellaro - Nature Physics, 2023 - nature.com
An outstanding challenge in large-scale quantum platforms is to simultaneously achieve
strong interactions, giving rise to the most interesting behaviours, and local addressing …

Observation of anisotropy-independent magnetization dynamics in spatially disordered Heisenberg spin systems

T Franz, S Geier, C Hainaut, A Braemer… - Physical Review …, 2024 - APS
An important step towards a comprehensive understanding of far-from-equilibrium dynamics
of quantum many-body systems is the identification of unifying features that are independent …

Universal hypothesis of autocorrelation function from Krylov complexity

R Zhang, H Zhai - Quantum Frontiers, 2024 - Springer
In a quantum many-body system, autocorrelation functions can determine linear responses
nearby equilibrium and quantum dynamics far from equilibrium. In this letter, we bring out …

Hardware-efficient learning of quantum many-body states

K Van Kirk, J Cotler, HY Huang, MD Lukin - arxiv preprint arxiv …, 2022 - arxiv.org
Efficient characterization of highly entangled multi-particle systems is an outstanding
challenge in quantum science. Recent developments have shown that a modest number of …

Observation of a Prethermal Discrete Time Crystal

A Stasiuk, P Cappellaro - Physical Review X, 2023 - APS
A time crystal is a state of periodically driven matter that breaks discrete time-translation
symmetry. Time crystals have been demonstrated experimentally in various programmable …

Robust Higher-Order Hamiltonian Engineering for Quantum Sensing with Strongly Interacting Systems

H Zhou, LS Martin, M Tyler, O Makarova, N Leitao… - Physical Review Letters, 2023 - APS
Dynamical decoupling techniques constitute an integral part of many quantum sensing
platforms, often leading to orders-of-magnitude improvements in coherence time and …

Higher-order methods for Hamiltonian engineering pulse sequence design

M Tyler, H Zhou, LS Martin, N Leitao, MD Lukin - Physical Review A, 2023 - APS
We introduce a framework for designing Hamiltonian engineering pulse sequences that
systematically accounts for the effects of higher-order contributions to the Floquet-Magnus …