52 citations · 261 across the 14 of their papers we have counts for
14 papers
Many-body delocalization with a two-dimensional 70-qubit superconducting quantum simulator
Tian-Ming Li, Zheng-Hang Sun, Yun-Hao Shi +35
Quantum many-body systems with sufficiently strong disorder can exhibit a non-equilibrium phenomenon, known as the many-body localization (MBL), which is distinct from conventional…
High-precision pulse calibration of tunable couplers for high-fidelity two-qubit gates in superconducting quantum processors
Tian-Ming Li, Jia-Chi Zhang, Bing-Jie Chen +23
For superconducting quantum processors, stable high-fidelity two-qubit operations depend on precise flux control of the tunable coupler. However, the pulse distortion poses a signi…
Entanglement distribution based on quantum walk in arbitrary quantum networks
Tianen Chen, Yun Shang, Chitong Chen +1
In large-scale quantum networks, quantum repeaters provide an efficient method to distribute entangled states among selected nodes for realizing long-distance and complicated quant…
Exploring Hilbert-Space Fragmentation on a Superconducting Processor
Yong-Yi Wang, Yun-Hao Shi, Zheng-Hang Sun +22
Isolated interacting quantum systems generally thermalize, yet there are several examples for the breakdown of ergodicity, such as many-body localization and quantum scars. Recentl…
High-order topological pumping on a superconducting quantum processor
Cheng-Lin Deng, Yu Liu, Yu-Ran Zhang +21
High-order topological phases of matter refer to the systems of -dimensional bulk with the topology of -th order, exhibiting -dimensional boundary modes and can be cha…
Interplay between disorder and topology in Thouless pumping on a superconducting quantum processor
Yu Liu, Yu-Ran Zhang, Yun-Hao Shi +24
Topological phases are robust against weak perturbations, but break down when disorder becomes sufficiently strong. However, moderate disorder can also induce topologically nontriv…
Probing spin hydrodynamics on a superconducting quantum simulator
Yun-Hao Shi, Zheng-Hang Sun, Yong-Yi Wang +20
Characterizing the nature of hydrodynamical transport properties in quantum dynamics provides valuable insights into the fundamental understanding of exotic non-equilibrium phases…
Quafu-Qcover: Explore Combinatorial Optimization Problems on Cloud-based Quantum Computers
BAQIS Quafu Group
We present Quafu-Qcover, an open-source cloud-based software package designed for combinatorial optimization problems that support both quantum simulators and hardware backends. Qu…
Quantum simulation of topological zero modes on a 41-qubit superconducting processor
Yun-Hao Shi, Yu Liu, Yu-Ran Zhang +21
Quantum simulation of different exotic topological phases of quantum matter on a noisy intermediate-scale quantum (NISQ) processor is attracting growing interest. Here, we develop…
A Probabilistic Imaginary Time Evolution Algorithm Based on Non-unitary Quantum Circuit
Hao-Nan Xie, Shi-Jie Wei, Fan Yang +4
Imaginary time evolution is a powerful tool applied in quantum physics, while existing classical algorithms for simulating imaginary time evolution suffer high computational comple…
ScQ cloud quantum computation for generating Greenberger-Horne-Zeilinger states of up to 10 qubits
Chi-Tong Chen, Yun-Hao Shi, Zhong-Cheng Xiang +9
In this study, we introduce an online public quantum computation platform, named as ScQ, based on a 1D array of a 10-qubit superconducting processor. Single-qubit rotation gates ca…
Variational Quantum Computation of Molecular Linear Response Properties on a Superconducting Quantum Processor
Kaixuan Huang, Xiaoxia Cai, Hao Li +12
Simulating response properties of molecules is crucial for interpreting experimental spectroscopies and accelerating materials design. However, it remains a long-standing computati…
A full circuit-based quantum algorithm for excited-states in quantum chemistry
Jingwei Wen, Zhengan Wang, Chitong Chen +7
Utilizing quantum computer to investigate quantum chemistry is an important research field nowadays. In addition to the ground-state problems that have been widely studied, the det…
Metrological characterisation of non-Gaussian entangled states of superconducting qubits
Kai Xu, Yu-Ran Zhang, Zheng-Hang Sun +12
Multipartite entangled states are significant resources for both quantum information processing and quantum metrology. In particular, non-Gaussian entangled states are predicted to…