395 citations · 1.2k across the 18 of their papers we have counts for
18 papers
Real-Time Quantum Error Correction System Stack: Architecture, Algorithms, and Engineering Practice
Yaojian Chen, Chun-Yang Luan, Peilin Zheng +7
Quantum error correction (QEC) is transitioning from physical feasibility demonstrations to systems engineering challenges. Google has achieved below-threshold performance on dista…
Scalable Quantum Monte Carlo with Direct-Product Trial Wave Functions
Hung Q. Pham, Runsheng Ouyang, Dingshun Lv
The computational demand posed by applying multi-Slater determinant trials in phaseless auxiliary-field quantum Monte Carlo methods (MSD-AFQMC) is particularly significant for mole…
Orbital Expansion Variational Quantum Eigensolver: Enabling Efficient Simulation of Molecules with Shallow Quantum Circuit
Yusen Wu, Zigeng Huang, Jinzhao Sun +3
In the noisy-intermediate-scale-quantum era, Variational Quantum Eigensolver (VQE) is a promising method to study ground state properties in quantum chemistry, materials science, a…
Ab initio Quantum Simulation of Strongly Correlated Materials with Quantum Embedding
Changsu Cao, Jinzhao Sun, Xiao Yuan +3
Quantum computing has shown great potential in various quantum chemical applications such as drug discovery, material design, and catalyst optimization. Although significant progre…
Quantum computing quantum Monte Carlo algorithm
Yukun Zhang, Yifei Huang, Jinzhao Sun +2
Quantum computing and quantum Monte Carlo (QMC) are respectively the state-of-the-art quantum and classical computing methods for understanding many-body quantum systems. Here, we…
Efficient quantum imaginary time evolution by drifting real time evolution: an approach with low gate and measurement complexity
Yifei Huang, Yuguo Shao, Weiluo Ren +2
Quantum imaginary time evolution (QITE) is one of the promising candidates for finding eigenvalues and eigenstates of a Hamiltonian. However, the original QITE proposal [Nat. Phys.…
Toward Practical Quantum Embedding Simulation of Realistic Chemical Systems on Near-term Quantum Computers
Weitang Li, Zigeng Huang, Changsu Cao +6
Quantum computing has recently exhibited great potentials in predicting chemical properties for various applications in drug discovery, material design, and catalyst optimization.…
Towards a Larger Molecular Simulation on the Quantum Computer: Up to 28 Qubits Systems Accelerated by Point Group Symmetry
Changsu Cao, Jiaqi Hu, Wengang Zhang +7
The exact evaluation of the molecular ground state in quantum chemistry requires an exponentially increasing computational cost. Quantum computation is a promising way to overcome…
Circuit-Depth Reduction of Unitary-Coupled-Cluster Ansatz by Energy Sorting
Yi Fan, Changsu Cao, Xusheng Xu +3
Quantum computation represents a revolutionary approach for solving problems in quantum chemistry. However, due to the limited quantum resources in the current noisy intermediate-s…
Hot-Start Optimization for Variational Quantum Eigensolver
Belozerova Polina, Shangareev Arthur, Zotov Yuriy +2
The Variational Quantum Eigensolver (VQE) is one the most perspective algorithms for simulation of quantum many body physics that have recently attached a lot of attention and beli…
Quantum simulation of the quantum Rabi model in a trapped ion
Dingshun Lv, Shuoming An, Zhenyu Liu +5
The quantum Rabi model, involving a two-level system and a bosonic field mode, is arguably the simplest and most fundamental model describing quantum light-matter interactions. His…
Experimental Preparation of High NOON States for Phonons
Junhua Zhang, Mark Um, Dingshun Lv +3
Multi-party entangled states have important applications in quantum metrology and quantum computation. Experimental preparation of large entangled state, in particular, the NOON st…
Vacuum Measurements and Quantum State Reconstruction of Phonons
Dingshun Lv, Shuoming An, Mark Um +4
A quantum state is fully characterized by its density matrix or equivalently by its quasiprobabilities in phase space. A scheme to identify the quasiprobabilities of a quantum stat…
Shortcuts to adiabaticity by counterdiabatic driving for trapped-ion displacement in phase space
Shuoming An, Dingshun Lv, Adolfo del Campo +1
The application of adiabatic protocols in quantum technologies is severely limited by environmental sources of noise and decoherence. Shortcuts to adiabaticity by counterdiabatic d…
Realization of near-deterministic arithmetic operations and quantum state engineering
Mark Um, Junhua Zhang, Dingshun Lv +6
Quantum theory is based on a mathematical structure totally different from conventional arithmetic. Due to the symmetric nature of bosonic particles, annihilation or creation of si…
Testing nonclassicality and non-Gaussianity in phase space
Jiyong Park, Junhua Zhang, Jaehak Lee +5
We theoretically propose and experimentally demonstrate a nonclassicality test of single-mode field in phase space, which has an analogy with the nonlocality test proposed by Banas…
Experimental Test of Quantum Jarzynski Equality with a Trapped Ion System
Shuoming An, Jing-Ning Zhang, Mark Um +6
The past two decades witnessed important developments in the field of non-equilibrium statistical mechanics. Among these developments, the Jarzynski equality, being a milestone fol…
The minimal time of dynamic evolution to an arbitrary state
Di Lv, Yan-Song Li, Gui Lu Long
Two bounds on the minimal time of dynamic rotating an initial state by arbitrary angle have been obtained. These bounds have been applied to study the evolutions in the Hadamard-Wa…