Hybrid quantum algorithms for flow problems

SS Bharadwaj, KR Sreenivasan - Proceedings of the National Academy of …, 2023 - pnas.org
For quantum computing (QC) to emerge as a practically indispensable computational tool,
there is a need for quantum protocols with end-to-end practical applications—in this …

Quantum computing of fluid dynamics using the hydrodynamic Schrödinger equation

Z Meng, Y Yang - Physical Review Research, 2023 - APS
Simulating fluid dynamics on a quantum computer is intrinsically difficult due to the nonlinear
and non-Hamiltonian nature of the Navier-Stokes equation (NSE). We propose a framework …

Hybrid quantum-classical reservoir computing of thermal convection flow

P Pfeffer, F Heyder, J Schumacher - Physical Review Research, 2022 - APS
We simulate the nonlinear chaotic dynamics of Lorenz-type models for a classical two-
dimensional thermal convection flow with three and eight degrees of freedom by a hybrid …

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 …

[HTML][HTML] Two quantum algorithms for solving the one-dimensional advection–diffusion equation

J Ingelmann, SS Bharadwaj, P Pfeffer… - Computers & …, 2024 - Elsevier
Two quantum algorithms are presented for the numerical solution of a linear one-
dimensional advection–diffusion equation with periodic boundary conditions. Their accuracy …

Lattice Boltzmann–Carleman quantum algorithm and circuit for fluid flows at moderate Reynolds number

C Sanavio, S Succi - AVS Quantum Science, 2024 - pubs.aip.org
We present a quantum computing algorithm for fluid flows based on the Carleman-
linearization of the Lattice Boltzmann (LB) method. First, we demonstrate the convergence of …

[HTML][HTML] 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 …

Enabling large-scale and high-precision fluid simulations on near-term quantum computers

ZY Chen, TY Ma, CC Ye, L Xu, W Bai, L Zhou… - Computer Methods in …, 2024 - Elsevier
Quantum computational fluid dynamics (QCFD) offers a promising alternative to classical
computational fluid dynamics (CFD) by leveraging quantum algorithms for higher efficiency …

[PDF][PDF] Quantum computation of fluid dynamics

SS Bharadwaj, KR Sreenivasan - arxiv preprint arxiv:2007.09147, 2020 - ias.ac.in
Studies of strongly nonlinear dynamical systems such as turbulent flows call for superior
computational prowess. With the advent of quantum computing (QC), a plethora of quantum …

Dynamical systems and complex networks: A Koopman operator perspective

S Klus, ND Conrad - Journal of Physics: Complexity, 2024 - iopscience.iop.org
The Koopman operator has entered and transformed many research areas over the last
years. Although the underlying concept—representing highly nonlinear dynamical systems …