What question did this study set out to answer?

The research aims to examine the limitations of quantum hardware impacting molecular energy estimation using VQE.

January 6, 2026Physical Chemistry Chemical Physics1 citations

Limitations of Quantum Hardware for Molecular Energy Estimation Using VQE

ACAbel Carreras RORomán Orús DCDavid Casanova

Key Points

The research aims to examine the limitations of quantum hardware impacting molecular energy estimation using VQE.
Analysis of variational quantum eigensolvers (VQE) in quantum systems.
Review of electronic structure problems addressed by quantum algorithms.
Identifies challenges faced by quantum hardware in estimating molecular energy.
Highlights the impact of Noisy Intermediate-Scale Quantum (NISQ) capabilities on VQE performance.

Abstract

Variational quantum eigensolvers (VQEs) are among the most promising quantum algorithms for solving electronic structure problems in quantum chemistry, particularly during the Noisy Intermediate-Scale Quantum (NISQ) era. In this study,...

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