Quantum computing with and for many-body physics

T Ayral, P Besserve, D Lacroix… - The European Physical …, 2023 - Springer
Quantum computing technologies are making steady progress. This has opened new
opportunities for tackling problems whose complexity prevents their description on classical …

Towards quantum state preparation with materials science: An analytical review

V Sood, RP Chauhan - International Journal of Quantum …, 2023 - Wiley Online Library
The field of quantum computing has undergone significant expansion and development in
recent years. A quantitative and comprehensive examination of the research domain is …

Accessing ground-state and excited-state energies in a many-body system after symmetry restoration using quantum computers

EA Ruiz Guzman, D Lacroix - Physical Review C, 2022 - APS
We explore the possibility to perform symmetry restoration with the variation after projection
technique on a quantum computer followed by additional postprocessing. The final goal is to …

Spatial, spin, and charge symmetry projections for a Fermi-Hubbard model on a quantum computer

K Seki, S Yunoki - Physical Review A, 2022 - APS
We propose an extended version of the symmetry-adapted variational-quantum-eigensolver
(VQE) and apply it to a two-component Fermi-Hubbard model on a bipartite lattice. In the …

Unleashed from constrained optimization: quantum computing for quantum chemistry employing generator coordinate inspired method

M Zheng, B Peng, A Li, X Yang, K Kowalski - npj Quantum Information, 2024 - nature.com
Hybrid quantum-classical approaches offer potential solutions to quantum chemistry
problems, yet they often manifest as constrained optimization problems. Here, we explore …

Modeling singlet fission on a quantum computer

D Claudino, B Peng, K Kowalski… - The Journal of Physical …, 2023 - ACS Publications
We demonstrate a practical application of quantum computing by using it to investigate the
linear H4 molecule as a simple model for singlet fission. We use the Peeters-Devreese …

The basics of quantum computing for chemists

D Claudino - International Journal of Quantum Chemistry, 2022 - Wiley Online Library
The rapid and successful strides in quantum chemistry in the past decades can be largely
credited to a conspicuous synergy between theoretical and computational advancements …

Folded Spectrum VQE: A quantum computing method for the calculation of molecular excited states

L Cadi Tazi, AJW Thom - Journal of Chemical Theory and …, 2024 - ACS Publications
The recent developments of quantum computing present novel potential pathways for
quantum chemistry as the scaling of the computational power of quantum computers could …

Doubles Connected Moments Expansion: A Tractable Approximate Horn–Weinstein Approach for Quantum Chemistry

B Ganoe, M Head-Gordon - Journal of Chemical Theory and …, 2023 - ACS Publications
Ab initio methods based on the second-order and higher connected moments, or cumulants,
of a reference function have seen limited use in the determination of correlation energies of …

The variational quantum eigensolver self-consistent field method within a polarizable embedded framework

ER Kjellgren, P Reinholdt, A Fitzpatrick… - The Journal of …, 2024 - pubs.aip.org
We formulate and implement the Variational Quantum Eigensolver Self Consistent Field
(VQE-SCF) algorithm in combination with polarizable embedding (PE), thereby extending …