96 citations · 551 across the 23 of their papers we have counts for
24 papers
A powered full quantum eigensolver for energy band structures
Bozhi Wang, Jingwei Wen, Jiawei Wu +4
There has been an increasing research focus on quantum algorithms for condensed matter systems recently, particularly on calculating energy band structures. Here, we propose a quan…
Experimental simulation of quantum superchannels
Hang Li, Kai Wang, Shijie Wei +5
Simulating quantum physical processes has been one of the major motivations for quantum information science. Quantum channels, which are completely positive and trace preserving pr…
Near-Term Quantum Computing Techniques: Variational Quantum Algorithms, Error Mitigation, Circuit Compilation, Benchmarking and Classical Simulation
He-Liang Huang, Xiao-Yue Xu, Chu Guo +5
Quantum computing is a game-changing technology for global academia, research centers and industries including computational science, mathematics, finance, pharmaceutical, material…
Factoring integers with sublinear resources on a superconducting quantum processor
Bao Yan, Ziqi Tan, Shijie Wei +21
Shor's algorithm has seriously challenged information security based on public key cryptosystems. However, to break the widely used RSA-2048 scheme, one needs millions of physical…
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…
QCSH: a Full Quantum Computer Nuclear Shell-Model Package
Peng Lv, Shi-Jie Wei, Hao-Nan Xie +1
Nucleus is a typical many-body quantum system. Full calculation of a nuclear system in a classical computer is far beyond the capacity of current classical computers. With fast dev…
A Variational Quantum Attack for AES-like Symmetric Cryptography
ZeGuo Wang, ShiJie Wei, Gui-Lu Long +1
We propose a variational quantum attack algorithm (VQAA) for classical AES-like symmetric cryptography, as exemplified the simplified-data encryption standard (S-DES). In the VQAA,…
Quantum gradient descent algorithms for nonequilibrium steady states and linear algebraic systems
Jin-Min Liang, Shi-Jie Wei, Shao-Ming Fei
The gradient descent approach is the key ingredient in variational quantum algorithms and machine learning tasks, which is an optimization algorithm for finding a local minimum of…
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…
A quantum circuit design of AES
ZeGuo Wang, ShiJie Wei, GuiLu Long
Advanced Encryption Standard(AES) is one of the most widely used block ciphers nowadays, and has been established as an encryption standard in 2001. Here we design AES-128 and the…
A Quantum Convolutional Neural Network on NISQ Devices
ShiJie Wei, YanHu Chen, ZengRong Zhou +1
Quantum machine learning is one of the most promising applications of quantum computing in the Noisy Intermediate-Scale Quantum(NISQ) era. Here we propose a quantum convolutional n…
Quantum Gradient Algorithm for General Polynomials
Keren Li, Pan Gao, Shijie Wei +2
Gradient-based algorithms, popular strategies to optimization problems, are essential for many modern machine-learning techniques. Theoretically, extreme points of certain cost fun…
An Optimized Quantum Maximum or Minimum Searching Algorithm and its Circuits
Yanhu Chen, Shijie Wei, Xiong Gao +3
Finding a maximum or minimum is a fundamental building block in many mathematical models. Compared with classical algorithms, Durr, Hoyer's quantum algorithm (DHA) achieves quadrat…
A Full Quantum Eigensolver for Quantum Chemistry Simulations
Shijie Wei, Hang Li, GuiLu Long
Quantum simulation of quantum chemistry is one of the most compelling applications of quantum computing. It is of particular importance in areas ranging from materials science, bio…
Experimental observation of information flow in the anti--symmetric system
Jingwei Wen, Guoqing Qin, Chao Zheng +4
The recently theoretical and experimental researches related to -symmetric system have attracted unprecedented attention because of various novel features and potenti…
Experimental Simulation of Bosonic Creation and Annihilation Operators in a Quantum Processor
Xiangyu Kong, Shijie Wei, Jingwei Wen +1
The ability of implementing quantum operations plays fundamental role in manipulating quantum systems. Creation and annihilation operators which transform a quantum state to anothe…
A Quantum Algorithm for Solving Linear Differential Equations: Theory and Experiment
Tao Xin, Shijie Wei, Jianlian Cui +7
We present and experimentally realize a quantum algorithm for efficiently solving the following problem: given an matrix , an -dimensional vector $\text…
Experimental realization of quantum algorithms for linear system inspired by adiabatic quantum computing
Jingwei Wen, Xiangyu Kong, Shijie Wei +3
Quantum adiabatic algorithm is of vital importance in quantum computation field. It offers us an alternative approach to manipulate the system instead of quantum gate model. Recent…
Optimizing a Polynomial Function on a Quantum Simulator
Keren Li, Shijie Wei, Feihao Zhang +5
Gradient descent method, as one of the major methods in numerical optimization, is the key ingredient in many machine learning algorithms. As one of the most fundamental way to sol…
Experimental realization of noise-induced adiabaticity in nuclear magnetic resonance
B X Wang, T Xin, X Y Kong +3
The adiabatic evolution is the dynamics of an instantaneous eigenstate of a slowly varing Hamiltonian. Recently, an interesting phenomenon shows up that white noises can enhance an…
Implementation of Multiparty quantum clock synchronization
Xiangyu Kong, Tao Xin, ShiJie Wei +4
The quantum clock synchronization (QCS) is to measure the time difference among the spatially separated clocks with the principle of quantum mechanics. The first QCS algorithm prop…
Efficient universal quantum channel simulation in IBM's cloud quantum computer
Shi-Jie Wei, Tao Xin, Gui-Lu Long
The study of quantum channels is the fundamental field and promises wide range of applications, because any physical process can be represented as a quantum channel transforming an…
Quantum simulation of quantum channels in nuclear magnetic resonance
Tao Xin, Shi-Jie Wei, Julen S. Pedernales +2
We propose and experimentally demonstrate an efficient framework for the quantum simulation of quantum channels in NMR. Our approach relies on the suitable decomposition of non-uni…
Duality quantum computer and the efficient quantum simulations
Shi-Jie Wei, Gui-Lu Long
In this paper, we firstly briefly review the duality quantum computer. Distinctly, the generalized quantum gates, the basic evolution operators in a duality quantum computer are no…