367 citations · 1.7k across the 72 of their papers we have counts for
26 papers · 1 filter
Discrete time crystals enabled by Floquet strong Hilbert space fragmentation
Ling-Zhi Tang, Xiao Li, Z. D. Wang +1
Discrete time crystals (DTCs) are non-equilibrium phases of matter that break the discrete time-translation symmetry and is characterized by a robust subharmonic response in period…
Probe of Generic Quantum Contextuality and Nonlocal Resources for Qubits
Wei Li, Min-Xuan Zhou, Yun-Hao Shi +3
We reveal that the entropic uncertainty relation with a quantum memory is able to intrinsically connect local generic contextuality addressed in the pioneering work by Spekkens and…
Long-range bipartite entanglement in XXZ spin chains with the exponential and power-law long-range interactions
Na Li, Yang Zhao, Wen-Long Ma +2
Long-range bipartite entanglement (LBE) and its distribution properties are studied in XXZ spin chains with the exponential and power-law long-range interactions (ELRIs and PLRIs).…
Protecting Quantum Information via Many-Body Dynamical Localization
Ling-Zhi Tang, Dan-Wei Zhang, Hai-Feng Yu +1
Dynamically localized states in quantum many-body systems are fundamentally important in understanding quantum thermalization and have applications in quantum information processin…
Variational Quantum Eigensolvers with Quantum Gaussian Filters for solving ground-state problems in quantum many-body systems
Yihao Liu, Min-Quan He, Z. D. Wang
We present a novel quantum algorithm for approximating the ground-state in quantum many-body systems, particularly suited for Noisy Intermediate-Scale Quantum (NISQ) devices. Our a…
Diagnosing Quantum Phases Using Long-Range Two-Site Quantum Resource Behaviors
Lin-Lin Su, Jun Ren, Wen-Long Ma +2
We propose and demonstrate that the behaviors of long-range, two-site quantum resources can effectively diagnose quantum phases. In an XX spin chain with symmetry-breaking quantum…
Exploring Parity Magnetic Effects through Experimental Simulation with Superconducting Qubits
Yu Zhang, Yan-Qing Zhu, Jianwen Xu +8
We present the successful realization of four-dimensional (4D) semimetal bands featuring tensor monopoles, achieved using superconducting quantum circuits. Our experiment involves…
Scalable protocol to mitigate crosstalk in universal quantum gates
Yan Liang, Ming-Jie Liang, Sai Li +2
High-fidelity universal quantum gates are widely acknowledged as essential for scalable quantum computation. However, in solid-state quantum systems, which hold promise as physical…
Long-range multipartite quantum correlations and factorization in a one-dimensional spin-1/2 chain
Lin-Lin Su, Jun Ren, Z. D. Wang +1
We study the properties of multipartite quantum correlation (MQC) in a one-dimensional spin-1/2 chain, where the three-spin reduced states are focused on and the four introduc…
Error-Tolerant Geometric Quantum Control for Logical Qubits with Minimal Resource
Tao Chen, Zheng-Yuan Xue, Z. D. Wang
Geometric quantum computation offers a practical strategy toward robust quantum computation due to its inherently error tolerance. However, the rigorous geometric conditions lead t…
Quantum Gaussian filter for exploring ground-state properties
Min-Quan He, Dan-Bo Zhang, Z. D. Wang
Filter methods realize a projection from a superposed quantum state onto a target state, which can be efficient if two states have sufficient overlap. Here we propose a quantum Gau…
Quantum kernels with squeezed-state encoding for machine learning
Long Hin Li, Dan-Bo Zhang, Z. D. Wang
Kernel methods are powerful for machine learning, as they can represent data in feature spaces that similarities between samples may be faithfully captured. Recently, it is realize…
Inverse iteration quantum eigensolvers assisted with a continuous variable
Min-Quan He, Dan-Bo Zhang, Z. D. Wang
The capacity for solving eigenstates with a quantum computer is key for ultimately simulating physical systems. Here we propose inverse iteration quantum eigensolvers, which exploi…
Implementing universal nonadiabatic holonomic quantum gates with transmons
Zhuo-Ping Hong, Bao-Jie Liu, Jia-Qi Cai +4
Geometric phases are well known to be noise-resilient in quantum evolutions/operations. Holonomic quantum gates provide us with a robust way towards universal quantum computation,…
Robust interface between flying and topological qubits
Zheng-Yuan Xue, Ming Gong, Jia Liu +3
Hybrid architectures, consisting of conventional and topological qubits, have recently attracted much attention due to their capability in consolidating the robustness of topologic…
High fidelity quantum state transfer in electromechanical systems with intermediate coupling
Jian Zhou, Yong Hu, Zhang-qi Yin +3
Hybrid quantum systems usually consist of two or more subsystems, which may take the advantages of the different systems. Recently, the hybrid system consisting of circuit electrom…
Hierarchical monogamy relations for the squared entanglement of formation in multipartite systems
Yan-Kui Bai, Yuan-Fei Xu, Z. D. Wang
We show exactly that the squared entanglement of formation (SEF) obeys a set of hierarchical monogamy relations for an arbitrary -qubit mixed state. Based on this set of monogam…
Correlation evolution and monogamy of two geometric quantum discords in multipartite systems
Yan-Kui Bai, Ting-Ting Zhang, Li-Tao Wang +1
We explore two different geometric quantum discords defined respectively via the trace norm (GQD-1) and Hilbert-Schmidt norm (GQD-2) in multipartite systems. A rigorous hierarchy r…
Exploring multipartite quantum correlations with the square of quantum discord
Yan-Kui Bai, Na Zhang, Ming-Yong Ye +1
We explore the quantum correlation distribution in multipartite quantum states based on the square of quantum discord (SQD). For tripartite quantum systems, we derive the necessary…
Entanglement monogamy and entanglement evolution in multipartite systems
Yan-Kui Bai, Ming-Yong Ye, Z. D. Wang
We analyze the entanglement distribution and the two-qubit residual entanglement in multipartite systems. For a composite system consisting of two cavities interacting with indepen…
Implementing Genuine Multi-Qubit Entanglement of Two-Level-System Inside a Superconducting Phase Qubit
Long-Bao Yu, Zheng-Yuan Xue, Z. D. Wang +2
The interaction between a superconducting phase qubit and the two-level systems locating inside the Josephson tunnel barrier is shown to be described by the XY model, which is natu…
Extended JC-Dicke model for a two-component atomic BEC inside a cavity
Yong Li, Peng Zhang, Z. D. Wang
We consider a trapped two-component atomic Bose-Einstein condensate (BEC), where each atom with three energy-levels is coupled to an optical cavity field and an external classical…
Quantum secret sharing based on Smolin states alone
Guang Ping He, Z. D. Wang, Yan-Kui Bai
It was indicated [Yu 2007 Phys. Rev. A 75 066301] that a previous proposed quantum secret sharing (QSS) protocol based on Smolin states [Augusiak 2006 Phys. Rev. A 73 012318] is in…
Single qubit quantum secret sharing with improved security
Guang Ping He, Z. D. Wang
Analyzing carefully an experimentally feasible non-entangled single qubit quantum secret sharing protocol and its modified version [Phys. Rev. Lett. 95, 230505 (2005); ibid. 98, 02…