Improved quantum algorithms for linear and nonlinear differential equations

H Krovi - Quantum, 2023 - quantum-journal.org
We present substantially generalized and improved quantum algorithms over prior work for
inhomogeneous linear and nonlinear ordinary differential equations (ODE). Specifically, we …

Quantum algorithm for lattice Boltzmann (QALB) simulation of incompressible fluids with a nonlinear collision term

W Itani, KR Sreenivasan, S Succi - Physics of Fluids, 2024 - pubs.aip.org
We present a full quantum algorithm for the lattice Boltzmann method for simulating fluid
flows, the only such algorithm to implement both the streaming and collision substeps as …

The cost of solving linear differential equations on a quantum computer: fast-forwarding to explicit resource counts

D Jennings, M Lostaglio, RB Lowrie, S Pallister… - Quantum, 2024 - quantum-journal.org
How well can quantum computers simulate classical dynamical systems? There is
increasing effort in developing quantum algorithms to efficiently simulate dynamics beyond …

Efficient quantum state preparation with walsh series

J Zylberman, F Debbasch - Physical Review A, 2024 - APS
An approximate quantum state preparation method is introduced, called the Walsh series
loader (WSL). The WSL approximates quantum states defined by real-value functions of …

Efficient quantum amplitude encoding of polynomial functions

J Gonzalez-Conde, TW Watts, P Rodriguez-Grasa… - Quantum, 2024 - quantum-journal.org
Loading functions into quantum computers represents an essential step in several quantum
algorithms, such as quantum partial differential equation solvers. Therefore, the inefficiency …

Quantum computing for fusion energy science applications

I Joseph, Y Shi, MD Porter, AR Castelli, VI Geyko… - Physics of …, 2023 - pubs.aip.org
This is a review of recent research exploring and extending present-day quantum computing
capabilities for fusion energy science applications. We begin with a brief tutorial on both …

Efficient quantum linear solver algorithm with detailed running costs

D Jennings, M Lostaglio, S Pallister… - arXiv preprint arXiv …, 2023 - arxiv.org
As we progress towards physical implementation of quantum algorithms it is vital to
determine the explicit resource costs needed to run them. Solving linear systems of …

Limitations for quantum algorithms to solve turbulent and chaotic systems

D Lewis, S Eidenbenz, B Nadiga, Y Subaşı - Quantum, 2024 - quantum-journal.org
We investigate the limitations of quantum computers for solving nonlinear dynamical
systems. In particular, we tighten the worst-case bounds of the quantum Carleman …

Quantum algorithm for the advection-diffusion equation and the Koopman-von Neumann approach to nonlinear dynamical systems

I Novikau, I Joseph - Computer Physics Communications, 2025 - Elsevier
We propose an explicit algorithm based on the Linear Combination of Hamiltonian
Simulations technique to simulate both the advection-diffusion equation and a nonunitary …

Further improving quantum algorithms for nonlinear differential equations via higher-order methods and rescaling

P Costa, P Schleich, MES Morales… - arXiv preprint arXiv …, 2023 - arxiv.org
The solution of large systems of nonlinear differential equations is needed for many
applications in science and engineering. In this study, we present three main improvements …