555 citations · 1.3k across the 11 of their papers we have counts for
12 papers
PPVM: A Circuit Simulation Framework for Digital Twins of Quantum Processors
Xiu-Zhe Luo, David Plankensteiner, Kai-Hsin Wu +12
Quantum computers are approaching the early fault-tolerant regime. Verifying the next generation of quantum hardware requires joint emulation of the quantum processor, hardware noi…
Distributed Simulation of Statevectors and Density Matrices
Tyson Jones, Bálint Koczor, Simon C. Benjamin
Classical simulation of quantum computers is an irreplaceable step in the design of quantum algorithms. Exponential simulation costs demand the use of high-performance computing te…
The Virtual Quantum Device (VQD): A tool for detailed emulation of quantum computers
Cica Gustiani, Tyson Jones, Simon C. Benjamin
We present the Virtual Quantum Device (VQD) platform, a system based on the QuEST quantum emulator. Through the use of VQDs, non-expert users can emulate specific quantum computers…
Grid-based methods for chemistry simulations on a quantum computer
Hans Hon Sang Chan, Richard Meister, Tyson Jones +2
First quantized, grid-based methods for chemistry modelling are a natural and elegant fit for quantum computers. However, it is infeasible to use today's quantum prototypes to expl…
Efficient classical calculation of the Quantum Natural Gradient
Tyson Jones
Quantum natural gradient has emerged as a superior minimisation technique in quantum variational algorithms. Classically simulating the algorithm running on near-future quantum har…
Efficient calculation of gradients in classical simulations of variational quantum algorithms
Tyson Jones, Julien Gacon
Calculating the energy gradient in parameter space has become an almost ubiquitous subroutine of variational near-term quantum algorithms. "Faithful" classical emulation of this su…
QuESTlink -- Mathematica embiggened by a hardware-optimised quantum emulator
Tyson Jones, Simon C Benjamin
We introduce QuESTlink, pronounced "quest link", an open-source Mathematica package which efficiently emulates quantum computers. By integrating with the Quantum Exact Simulation T…
Variational-State Quantum Metrology
Bálint Koczor, Suguru Endo, Tyson Jones +2
Quantum technologies exploit entanglement to enhance various tasks beyond their classical limits including computation, communication and measurements. Quantum metrology aims to in…
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>…
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…
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,…