3.3k citations · 16.3k across the 118 of their papers we have counts for
14 papers · 1 filter
Variational quantum simulation of general processes
Suguru Endo, Jinzhao Sun, Ying Li +2
Variational quantum algorithms have been proposed to solve static and dynamic problems of closed many-body quantum systems. Here we investigate variational quantum simulation of th…
Theory of variational quantum simulation
Xiao Yuan, Suguru Endo, Qi Zhao +2
The variational method is a versatile tool for classical simulation of a variety of quantum systems. Great efforts have recently been devoted to its extension to quantum computing…
A high threshold code for modular hardware with asymmetric noise
Xiaosi Xu, Qi Zhao, Xiao Yuan +1
We consider an approach to fault tolerant quantum computing based on a simple error detecting code operating as the substrate for a conventional surface code. We develop a customis…
Digital quantum simulation of molecular vibrations
Sam McArdle, Alex Mayorov, Xiao Shan +2
Molecular vibrations underpin important phenomena such as spectral properties, energy transfer, and molecular bonding. However, obtaining a detailed understanding of the vibrationa…
Robust quantum compilation and circuit optimisation via energy minimisation
Tyson Jones, Simon C Benjamin
We explore a method for automatically recompiling a quantum circuit A into a target circuit B, with the goal that both circuits have the same action on a specific input i.e. B|in>…
Fault-tolerant protection of near-term trapped-ion topological qubits under realistic noise sources
A. Bermudez, X. Xu, M. Gutiérrez +2
The quest of demonstrating beneficial quantum error correction in near-term noisy quantum processors can benefit enormously from a low-resource optimization of fault-tolerant schem…
Mitigating algorithmic errors in Hamiltonian simulation
Suguru Endo, Qi Zhao, Ying Li +2
Quantum computers can efficiently simulate many-body systems. As a widely used Hamiltonian simulation tool, the Trotter-Suzuki scheme splits the evolution into the number of Trotte…
Quantum computational chemistry
Sam McArdle, Suguru Endo, Alan Aspuru-Guzik +2
One of the most promising suggested applications of quantum computing is solving classically intractable chemistry problems. This may help to answer unresolved questions about phen…
Variational quantum algorithms for discovering Hamiltonian spectra
Suguru Endo, Tyson Jones, Sam McArdle +2
Calculating the energy spectrum of a quantum system is an important task, for example to analyse reaction rates in drug discovery and catalysis. There has been significant progress…
Network architecture for a topological quantum computer in silicon
Brandon Buonacorsi, Zhenyu Cai, Eduardo B. Ramirez +7
A design for a large-scale surface code quantum processor based on a node/network approach is introduced for semiconductor quantum dot spin qubits. The minimal node contains only 7…
Constructing Smaller Pauli Twirling Sets for Arbitrary Error Channels
Zhenyu Cai, Simon Benjamin
Twirling is a technique widely used for converting arbitrary noise channels into Pauli channels in error threshold estimations of quantum error correction codes. It is vitally usef…
Error-mitigated digital quantum simulation
Sam McArdle, Xiao Yuan, Simon Benjamin
Variational algorithms may enable classically intractable simulations on near-future quantum computers. However, their potential is limited by hardware errors. It is therefore cruc…
Variational ansatz-based quantum simulation of imaginary time evolution
Sam McArdle, Tyson Jones, Suguru Endo +3
Imaginary time evolution is a powerful tool for studying quantum systems. While it is possible to simulate with a classical computer, the time and memory requirements generally sca…
QuEST and High Performance Simulation of Quantum Computers
Tyson Jones, Anna Brown, Ian Bush +1
We introduce QuEST, the Quantum Exact Simulation Toolkit, and compare it to ProjectQ, qHipster and a recent distributed implementation of Quantum++. QuEST is the first open source,…