[PDF][PDF] Early fault-tolerant quantum computing

A Katabarwa, K Gratsea, A Caesura, PD Johnson - PRX Quantum, 2024 - APS
In recent years, research in quantum computing has largely focused on two approaches:
near-term intermediate-scale quantum (NISQ) computing and future fault-tolerant quantum …

OnionVQE optimization strategy for ground state preparation on NISQ devices

K Gratsea, J Selisko, M Amsler, C Wever… - Quantum Science …, 2024 - iopscience.iop.org
The variational quantum eigensolver (VQE) is one of the most promising and widely used
algorithms for exploiting the capabilities of current Noisy Intermediate-Scale Quantum …

The advent of fully variational quantum eigensolvers using a hybrid multiresolution approach

F Langkabel, S Knecht, JS Kottmann - arxiv preprint arxiv:2410.19116, 2024 - arxiv.org
In electronic structure theory, variational computing offers a valuable paradigm for the
approximation of electronic ground states. However, for historical reasons, this principle is …

Spin coupling is all you need: Encoding strong electron correlation on quantum computers

D Marti-Dafcik, HGA Burton, DP Tew - arxiv preprint arxiv:2404.18878, 2024 - arxiv.org
The performance of quantum algorithms for eigenvalue problems, such as computing
Hamiltonian spectra, depends strongly on the overlap of the initial wavefunction and the …

Evaluating the efficiency of ground-state-preparation algorithms

K Gratsea, C Sun, PD Johnson - Physical Review A, 2024 - APS
In recent years, substantial research effort has been devoted to quantum algorithms for
ground-state-energy estimation (GSEE) in chemistry and materials. Given the many heuristic …

[引用][C] Introducing tools to quantify the performance of quantum computing algorithms and their applications

K Gratsea - Universitat Politècnica de Catalunya