Computing molecular excited states on a D-Wave quantum annealer
The possibility of using quantum computers for electronic structure calculations has opened
up a promising avenue for computational chemistry. Towards this direction, numerous …
up a promising avenue for computational chemistry. Towards this direction, numerous …
Analysis of the shortest vector problems with quantum annealing to search the excited states
K Ura, T Imoto, T Nikuni, S Kawabata… - Japanese Journal of …, 2023 - iopscience.iop.org
The shortest vector problem (SVP) is one of the lattice problems and is the mathematical
basis for lattice-based cryptography, which is expected to be post-quantum cryptography …
basis for lattice-based cryptography, which is expected to be post-quantum cryptography …
Direct estimation of the energy gap between the ground state and excited state with quantum annealing
In quantum chemistry, it is important to estimate an energy gap between a ground state and
an excited state of molecular Hamiltonians. In previous researches, it was necessary to …
an excited state of molecular Hamiltonians. In previous researches, it was necessary to …
A Quantum-Classical Method Applied to Material Design: Photochromic Materials Optimization for Photopharmacology Applications
Q Gao, M Sugawara, PD Nation, T Kobayashi… - Intelligent …, 2024 - spj.science.org
The integration of quantum chemistry, machine learning, and optimization calculations is
expected to accelerate materials discovery by making large chemical spaces amenable to …
expected to accelerate materials discovery by making large chemical spaces amenable to …
Feedback-based quantum algorithm for excited states calculation
Recently, feedback-based quantum algorithms have been introduced to calculate the
ground states of Hamiltonians, inspired by quantum Lyapunov control theory. This paper …
ground states of Hamiltonians, inspired by quantum Lyapunov control theory. This paper …
Correspondence between excited energy eigenstates and local minima of the energy landscape in quantum spin systems
YW Koh - Physical Review B, 2023 - APS
The quantum-classical correspondence between local minima on the classical energy
landscape and excited eigenstates in the energy spectrum is studied within the context of …
landscape and excited eigenstates in the energy spectrum is studied within the context of …
Demonstration of the excited-state search on the D-wave quantum annealer
Quantum annealing is a way to prepare an eigenstate of the problem Hamiltonian. Starting
from an eigenstate of a trivial Hamiltonian, we slowly change the Hamiltonian to the problem …
from an eigenstate of a trivial Hamiltonian, we slowly change the Hamiltonian to the problem …
Catastrophic failure of quantum annealing owing to non-stoquastic Hamiltonian and its avoidance by decoherence
T Imoto, Y Matsuzaki - arXiv preprint arXiv:2209.10983, 2022 - arxiv.org
Quantum annealing (QA) is a promising method for solving combinatorial optimization
problems whose solutions are embedded into a ground state of the Ising Hamiltonian. This …
problems whose solutions are embedded into a ground state of the Ising Hamiltonian. This …
Non-stoquastic 演算子による量子アニーリング―性能向上と応用拡大―
関優也 - DA シンポジウム2021 論文集, 2021 - ipsj.ixsq.nii.ac.jp
論文抄録 本稿は, 既存の量子アニーリングの性能向上のための理論研究と量子アニーリングの
応用範囲拡大のための手法について述べる. 量子アニーリングは組合せ最適化問題のための …
応用範囲拡大のための手法について述べる. 量子アニーリングは組合せ最適化問題のための …