Variational quantum eigensolver with linear depth problem-inspired ansatz for solving portfolio optimization in finance
Sign Up to like & getrecommendations! Published in 2024 at "Science China Information Sciences"
DOI: 10.1007/s11432-024-4185-1
Abstract: Great efforts have been dedicated in recent years to exploring practical applications for noisy intermediate-scale quantum (NISQ) computers, which is a fundamental and challenging problem in quantum computing. As one of the most promising methods,… read more here.
Keywords: problem; variational quantum; finance; quantum ... See more keywords
Amplitude Reordering Accelerates the Adaptive Variational Quantum Eigensolver Algorithms.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of chemical theory and computation"
DOI: 10.1021/acs.jctc.2c00403
Abstract: The variational quantum eigensolver (VQE) algorithm can simulate the chemical systems such as molecules in the noisy-intermediate-scale quantum devices and shows promising applications in quantum chemistry simulations. The accuracy and computational cost of the VQE… read more here.
Keywords: adapt vqe; vqe algorithm; quantum eigensolver; quantum ... See more keywords
Symmetry-adapted variational quantum eigensolver
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.052340
Abstract: We propose a scheme to restore spatial symmetry of Hamiltonian in the variational-quantum-eigensolver (VQE) algorithm for which the quantum circuit structures used usually break the Hamiltonian symmetry. The symmetry-adapted VQE scheme introduced here simply applies… read more here.
Keywords: scheme; symmetry adapted; quantum eigensolver; symmetry ... See more keywords
Entanglement production and convergence properties of the variational quantum eigensolver
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.042402
Abstract: We perform a systematic investigation of variational forms (wave function Ansatze), to determine the ground state energies and properties of two-dimensional model fermionic systems on triangular lattices (with and without periodic boundary conditions), using the… read more here.
Keywords: entanglement production; quantum eigensolver; variational quantum; convergence ... See more keywords
Blueprint for a digital-analog variational quantum eigensolver using Rydberg atom arrays
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review A"
DOI: 10.1103/physreva.107.042602
Abstract: We address the task of estimating the ground-state energy of Hamiltonians coming from chemistry. We study numerically the behavior of a digital-analog variational quantum eigensolver for the H2, LiH and BeH2 molecules, and we observe… read more here.
Keywords: quantum eigensolver; digital analog; variational quantum; analog variational ... See more keywords
Hermitian-preserving ansatz and variational open quantum eigensolver
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.109.062608
Abstract: We propose a new variational quantum algorithm named Variational Open Quantum Eigensolver (VOQE) for solving steady states of open quantum systems described by either Lindblad master equations or non-Hermitian Hamiltonians. In VOQE, density matrices of… read more here.
Keywords: open quantum; hermitian preserving; preserving ansatz; variational open ... See more keywords
Quantum Computation of Electronic Transitions Using a Variational Quantum Eigensolver.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.230401
Abstract: We develop an extension of the variational quantum eigensolver (VQE) algorithm-multistate contracted VQE (MC-VQE)-that allows for the efficient computation of the transition energies between the ground state and several low-lying excited states of a molecule,… read more here.
Keywords: quantum eigensolver; quantum; variational quantum; quantum computation ... See more keywords