31 citations · 221 across the 30 of their papers we have counts for
31 papers
Resource-based reliability of quantum-coherent devices
Bowen Sun, D. L. Zhou
Quantum devices can lose the resource needed for a specified function without entering a fixed failure subspace. We propose a resource-based reliability framework for this situatio…
Quantum-geometry stabilization of dilute fractional Chern insulators
Ying-Xing Ding, Li-Min Zhang, Wen-Tong Li +2
Fractional Chern insulators have attracted broad interest as lattice analogs of fractional quantum Hall states without Landau levels. However, low-filling fractional Chern insulato…
Tangent Space Excitation Ansatz for Quantum Circuits
Ji-Yao Chen, Bochen Huang, D. L. Zhou +3
Computing excitation spectra of quantum many-body systems is a promising avenue to demonstrate the practical utility of current noisy quantum devices, especially as we move toward…
Active Quantum Distillation
Muchun Yang, D. L. Zhou
Quantum distillation is a modern technology to decrease the von Neumann entropy of a subsystem by coherent system dynamics. Here we propose an active quantum distillation protocol,…
Optimized Quantum Autoencoder
Yibin Huang, Muchun Yang, D. L. Zhou
Quantum autoencoder (QAE) compresses a bipartite quantum state into its subsystem by a self-checking mechanism. How to characterize the lost information in this process is essentia…
Learning Symmetric Hamiltonian
Jing Zhou, D. L. Zhou
Hamiltonian Learning is a process of recovering system Hamiltonian from measurements, which is a fundamental problem in quantum information processing. In this study, we investigat…
Quantum mutual information redistribution by Number Partitioning algorithm
Muchun Yang, Cheng-Qian Xu, D. L. Zhou
Quantum information distribution in a tripartite state plays a fundamental role in quantum information processes. Here we investigate how a bipartite unitary transformation $U_{AB}…
Topological correlation: anyonic states cannot be determined by local operations and classical communication
Cheng-Qian Xu, D. L. Zhou
Anyonic system not only has potential applications in the construction of topological quantum computer, but also presents a unique property known as topological entanglement entrop…
Unified Quantum State Tomography and Hamiltonian Learning Using Transformer Models: A Language-Translation-Like Approach for Quantum Systems
Zheng An, Jiahui Wu, Muchun Yang +2
Schrödinger's equation serves as a fundamental component in characterizing quantum systems, wherein both quantum state tomography and Hamiltonian learning are instrumental in compr…
Quantum teleportation using Ising anyons
Cheng-Qian Xu, D. L. Zhou
Anyons have been extensively investigated as information carriers in topological quantum computation. However, how to characterize the information flow in quantum networks composed…
Criterion for a state to be distillable via stochastic incoherent operations
C. L. Liu, D. L. Zhou, C. P. Sun
Coherence distillation is a basic information-theoretic task in the resource theory of coherence. In this paper, we present the necessary and sufficient conditions under which a mi…
Learning quantum phases via single-qubit disentanglement
Zheng An, Chenfeng Cao, Cheng-Qian Xu +1
Identifying phases of matter presents considerable challenges, particularly within the domain of quantum theory, where the complexity of ground states appears to increase exponenti…
Quantum imaginary time evolution steered by reinforcement learning
Chenfeng Cao, Zheng An, Shi-Yao Hou +2
The quantum imaginary time evolution is a powerful algorithm for preparing the ground and thermal states on near-term quantum devices. However, algorithmic errors induced by Trotte…
Turnplate of quantum state
Yang Liu, D. L. Zhou
Time-reversal symmetry breaking can enhance or suppress the probability of success for quantum state transfer (QST), and remarkably it can be used to implement the directional QST.…
Hysteresis in a Superfluid Atom Circuit
Tieling Song, D. L. Zhou
The energy band structure of a rotating BEC with a link in a quasi-one-dimensional torus and the role of dissipation is studied. Through this study we are able to give a microscopi…
Transfer arbitrary photon state along a cavity array without initialization
Yang Liu, D. L. Zhou
We propose a quantum state transfer (QST) scheme that transfers any single-mode photon state along a one-dimensional coupled-cavity array (CCA). By building a map from QST in a CCA…
Irreducible many-body correlations in topologically ordered systems
Yang Liu, Bei Zeng, D. L. Zhou
Topologically ordered systems exhibit large-scale correlation in their ground states, which may be characterized by quantities such as topological entanglement entropy. We propose…
The quasi-dark state and quantum interference in Jaynes-Cummings model with a common bath
Zhihai Wang, D. L. Zhou
Within the capacity of current experiments, we design a composite atom-cavity system with a common bath, in which the decay channels of the atom and the cavity mode interfere with…
Optimal transfer of an unknown state via a bipartite operation
Yang Liu, Yu Guo, D. L. Zhou
A fundamental task in quantum information science is to transfer an unknown state from particle to particle (often in remote space locations) by using a bipartite quantum o…
Sudden switch of generalized Lieb-Robinson velocity in a transverse field Ising spin chain
Y. Guo, Y. Liu, D. L. Zhou
The Lieb-Robinson theorem states that the speed at which the correlations between two distant nodes in a spin network can be built through local interactions has an upper bound, wh…
From Ground States to Local Hamiltonians
Jianxin Chen, Zhengfeng Ji, Bei Zeng +1
Traditional quantum physics solves ground states for a given Hamiltonian, while quantum information science asks for the existence and construction of certain Hamiltonians for give…
Correlation function and mutual information
R. X. Dong, D. L. Zhou
Correlation function and mutual information are two powerful tools to characterize the correlations in a quantum state of a composite system, widely used in many-body physics and i…
Probing the quantum ground state of a spin-1 Bose-Einstein condensate with cavity transmission spectra
J. M. Zhang, S. Cui, H. Jing +2
We propose to probe the quantum ground state of a spin-1 Bose-Einstein condensate with the transmission spectra of an optical cavity. By choosing a circularly polarized cavity mode…
Irreducible multiparty correlation can be created by local operations
D. L. Zhou
Generalizing Amari's work titled "Information geometry on hierarchy of probability distributions", we define the degrees of irreducible multiparty correlations in a multiparty quan…