53 citations · 259 across the 22 of their papers we have counts for
22 papers
Security Evaluation of Laser-Phase-Noise Quantum Random Number Generators with Intrinsic Correlations
Y. Gao, J. H Li, J. L. Liu +8
Quantum random number generators are essential for achieving information-theoretical security in modern cryptographic systems. Among various implementations, laser phase noise sche…
A superconducting surface-code processor with lattice-surgery logical operations
Yanzhe Wang, Fanhao Shen, Haipeng Xie +31
Fault-tolerant logical operations are fundamental for scalable quantum computation. Here, we report the experimental realization of lattice-surgery operations between a pair of dis…
Teleportation transition of surface codes on a superconducting quantum processor
Yiren Zou, Hong-Kuan Xia, Aosai Zhang +32
The topological surface code is a leading candidate for harnessing long-range entanglement to protect logical quantum information against errors, and teleportation of logical state…
Fock space prethermalization and time-crystalline order on a quantum processor
Zehang Bao, Zitian Zhu, Yang-Ren Liu +31
Periodically driven quantum many-body systems exhibit a wide variety of exotic nonequilibrium phenomena and provide a promising pathway for quantum applications. A fundamental chal…
Experimental Detection of Dissipative Quantum Chaos
Kristian Wold, Zitian Zhu, Feitong Jin +13
More than four decades of research on chaos in isolated quantum systems have led to the identification of universal signatures -- such as level repulsion and eigenstate thermalizat…
Demonstration of low-overhead quantum error correction codes
Ke Wang, Zhide Lu, Chuanyu Zhang +39
Quantum computers hold the potential to surpass classical computers in solving complex computational problems. However, the fragility of quantum information and the error-prone nat…
Observation of Quantum Darwinism and the Origin of Classicality with Superconducting Circuits
Zitian Zhu, Kiera Salice, Akram Touil +9
The transition from quantum to classical behavior is a central question in modern physics. How can we rationalize everyday classical observations from an inherently quantum world?…
Quantum ensemble learning with a programmable superconducting processor
Jiachen Chen, Yaozu Wu, Zhen Yang +30
Quantum machine learning is among the most exciting potential applications of quantum computing. However, the vulnerability of quantum information to environmental noises and the c…
Demonstrating quantum error mitigation on logical qubits
Aosai Zhang, Haipeng Xie, Yu Gao +32
A long-standing challenge in quantum computing is developing technologies to overcome the inevitable noise in qubits. To enable meaningful applications in the early stages of fault…
Observation of topological prethermal strong zero modes
Feitong Jin, Si Jiang, Xuhao Zhu +42
Symmetry-protected topological phases cannot be described by any local order parameter and are beyond the conventional symmetry-breaking paradigm for understanding quantum matter.…
Exploring nontrivial topology at quantum criticality in a superconducting processor
Ziqi Tan, Ke Wang, Sheng Yang +37
The discovery of nontrivial topology in quantum critical states has introduced a new paradigm for classifying quantum phase transitions and challenges the conventional belief that…
Emergence of steady quantum transport in a superconducting processor
Pengfei Zhang, Yu Gao, Xiansong Xu +29
Non-equilibrium quantum transport is crucial to technological advances ranging from nanoelectronics to thermal management. In essence, it deals with the coherent transfer of energy…
Quantum continual learning on a programmable superconducting processor
Chuanyu Zhang, Zhide Lu, Liangtian Zhao +32
Quantum computers may outperform classical computers on machine learning tasks. In recent years, a variety of quantum algorithms promising unparalleled potential to enhance, speed…
Quantum highway: Observation of minimal and maximal speed limits for few and many-body states
Zitian Zhu, Lei Gao, Zehang Bao +30
Tracking the time evolution of a quantum state allows one to verify the thermalization rate or the propagation speed of correlations in generic quantum systems. Inspired by the ene…
Improved Nonlocality Certification via Bouncing between Bell Operators and Inequalities
Weikang Li, Mengyao Hu, Ke Wang +25
Bell nonlocality is an intrinsic feature of quantum mechanics, which can be certified via the violation of Bell inequalities. It is therefore a fundamental question to certify Bell…
Probing many-body Bell correlation depth with superconducting qubits
Ke Wang, Weikang Li, Shibo Xu +32
Quantum nonlocality describes a stronger form of quantum correlation than that of entanglement. It refutes Einstein's belief of local realism and is among the most distinctive and…
Simulating unsteady fluid flows on a superconducting quantum processor
Zhaoyuan Meng, Jiarun Zhong, Shibo Xu +24
Recent advancements of intermediate-scale quantum processors have triggered tremendous interest in the exploration of practical quantum advantage. The simulation of fluid dynamics,…
Non-Abelian braiding of Fibonacci anyons with a superconducting processor
Shibo Xu, Zheng-Zhi Sun, Ke Wang +29
Non-Abelian topological orders offer an intriguing path towards fault-tolerant quantum computation, where information can be encoded and manipulated in a topologically protected ma…
Measuring Spectral Form Factor in Many-Body Chaotic and Localized Phases of Quantum Processors
Hang Dong, Pengfei Zhang, Ceren B. Dag +28
The spectral form factor (SFF) captures universal spectral fluctuations as signatures of quantum chaos, and has been instrumental in advancing multiple frontiers of physics includi…
Testing the unified bounds of quantum speed limit
Yaozu Wu, Jiale Yuan, Chuanyu Zhang +12
Quantum speed limits (QSLs) impose fundamental constraints on the evolution speed of quantum systems. Traditionally, the Mandelstam-Tamm (MT) and Margolus-Levitin (ML) bounds have…
Enhanced quantum state transfer: Circumventing quantum chaotic behavior
Liang Xiang, Jiachen Chen, Zitian Zhu +16
The ability to realize high-fidelity quantum communication is one of the many facets required to build generic quantum computing devices. In addition to quantum processing, sensing…
Creating and controlling global Greenberger-Horne-Zeilinger entanglement on quantum processors
Zehang Bao, Shibo Xu, Zixuan Song +30
Greenberger-Horne-Zeilinger (GHZ) states, also known as two-component Schrödinger cats, play vital roles in the foundation of quantum physics and, more attractively, in future quan…