213 citations · 819 across the 28 of their papers we have counts for
28 papers
Fisher-Orthogonal Memory in Quantum Reservoir Computing
Ce Wang, Xingze Qiu
Quantum reservoir computing processes temporal information through driven many-body dynamics, but its performance is ultimately limited by how accurately past inputs can be extract…
Thermodynamics of Quantum Reservoir Computing
Lixiang Ding, Xingze Qiu
Quantum reservoir computing provides a framework for processing complex temporal data, yet its fundamental computational and energetic limits remain unresolved. Here, we establish…
Quantum magic and non-commutativity as computational resources in quantum reservoir computing
Wei Xia, Shuaifan Cao, Xingze Qiu +1
Quantum reservoir computing (QRC) provides a hardware-efficient paradigm for temporal information processing on near-term quantum devices. Despite rapid experimental progress, a ri…
Topological Sensing in the Dynamics of Quantum Walks with Defects
Xiaowei Tong, Xingze Qiu, Xiang Zhan +4
Topological quantum sensing leverages unique topological features to suppress noise and improve the precision of parameter estimation, emerging as a promising tool in both fundamen…
Uncertainty Principle from Operator Asymmetry
Xingze Qiu
The uncertainty principle is fundamentally rooted in the algebraic asymmetry between observables. We introduce a new class of uncertainty relations grounded in the resource theory…
Universally Robust Control of Open Quantum Systems
Lixiang Ding, Jingtao Fan, Xingze Qiu
Mitigating noise-induced decoherence is the central challenge in controlling open quantum systems. While existing robust protocols often require precise noise models, we introduce…
Quantum complexity phase transition in fermionic quantum circuits
Wei Xia, Yijia Zhou, Xingze Qiu +1
Understanding the complexity of quantum many-body systems has been attracting much attention recently for its fundamental importance in characterizing complex quantum phases beyond…
Quantum Annealing Algorithms for Estimating Ising Partition Functions
Haowei Li, Zhiyuan Yao, Xingze Qiu
Estimating partition functions of Ising spin glasses is a cornerstone of statistical physics and computational science, yet it remains classically challenging due to its P-hard…
Coherent Quantum Speed Limits
Xuhui Xiao, Hai Wang, Xingze Qiu
We establish a comprehensive theoretical framework for coherent quantum speed limits (QSLs), deriving fundamental bounds on the rate of quantum evolution that explicitly isolate th…
Adiabatically compressing chiral p-wave Bose-Einstein condensates into the lowest landau level
Xinyang Yu, Xingze Qiu, Xiaopeng Li
There has been much recent progress in controlling -orbital degrees of freedom in optical lattices, for example with lattice shaking, sublattice swapping, and lattice potential…
Quantum Sensing with Topological-Paired Bound States
Tao Zhang, Peng Xu, Jiazhong Hu +1
We present an efficient and robust protocol for quantum-enhanced sensing using a single qubit in the topological waveguide system. Our method relies on the topological-paired bound…
Configured Quantum Reservoir Computing for Multi-Task Machine Learning
Wei Xia, Jie Zou, Xingze Qiu +5
Amidst the rapid advancements in experimental technology, noise-intermediate-scale quantum (NISQ) devices have become increasingly programmable, offering versatile opportunities to…
The Sub-Exponential Critical Slowing Down at Floquet Time Crystal Phase Transition
Wenqian Zhang, Yadong Wu, Xingze Qiu +2
Critical slowing down (CSD) has been a trademark of critical dynamics for equilibrium phase transitions of a many-body system, where the relaxation time for the system to reach the…
Programmable Hamiltonian engineering with quadratic quantum Fourier transform
Pei Wang, Zhijuan Huang, Xingze Qiu +1
Quantum Fourier transform (QFT) is a widely used building block for quantum algorithms, whose scalable implementation is challenging in experiments. Here, we propose a protocol of…
Kernel-Function Based Quantum Algorithms for Finite Temperature Quantum Simulation
Hai Wang, Jue Nan, Tao Zhang +3
Computing finite temperature properties of a quantum many-body system is key to describing a broad range of correlated quantum many-body physics from quantum chemistry and condense…
Peratic Phase Transition by Bulk-to-Surface Response
Xingze Qiu, Hai Wang, Wei Xia +1
The study of dynamical phase transitions has been attracting considerable research efforts in the last decade. One theme of present interest is to search for exotic scenarios beyon…
Quantum optimization within lattice gauge theory model on a quantum simulator
Zheng Yan, Zheng Zhou, Yan-Hua Zhou +4
Simulating lattice gauge theory (LGT) Hamiltonian and its nontrivial states by programmable quantum devices has attracted numerous attention in recent years. Rydberg atom arrays co…
The Reservoir Learning Power across Quantum Many-Boby Localization Transition
Wei Xia, Jie Zou, Xingze Qiu +1
Harnessing the quantum computation power of the present noisy-intermediate-size-quantum devices has received tremendous interest in the last few years. Here we study the learning p…
Programmable Quantum Annealing Architectures with Ising Quantum Wires
Xingze Qiu, Peter Zoller, Xiaopeng Li
Quantum annealing aims at solving optimization problems efficiently by preparing the ground state of an Ising spin-Hamiltonian quantum mechanically. A prerequisite of building a qu…
Precise Programmable Quantum Simulations with Optical Lattices
Xingze Qiu, Jie Zou, Xiaodong Qi +1
We present an efficient approach to precisely simulate tight binding models with optical lattices, based on programmable digital-micromirror-device (DMD) techniques. Our approach c…
Topology with broken parity-time symmetry
Lei Xiao, Xingze Qiu, Kunkun Wang +3
Topological edge states arise in parity-time ()-symmetric non-unitary quantum dynamics but have so far only been discussed in the -symmetry-unbroken reg…
Higher winding number in a non-unitary photonic quantum walk
Lei Xiao, Xingze Qiu, Kunkun Wang +6
Topological matter exhibits exotic properties yet phases characterized by large topological invariants are difficult to implement, despite rapid experimental progress. A promising…
Observation of emergent momentum-time skyrmions in parity-time-symmetric non-unitary quench dynamics
Kunkun Wang, Xingze Qiu, Lei Xiao +5
Topology in quench dynamics gives rise to intriguing dynamic topological phenomena, which are intimately connected to the topology of static Hamiltonians yet challenging to probe e…
Simulating dynamic quantum phase transitions in photonic quantum walks
Kunkun Wang, Xingze Qiu, Lei Xiao +4
Signaled by non-analyticities in the time evolution of physical observables, dynamic quantum phase transitions (DQPTs) emerge in quench dynamics of topological systems and possess…