ArticleScience advances2024
Qudit-based variational quantum eigensolver using photonic orbital angular momentum states.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Verifier-initiated quantum message-authentication via quantum zero-knowledge proofs.Nature communications · 2026Article
- Measurement of degenerate orbital angular momentum qubits by stimulated emission tomography.Scientific reports · 2026Article
- Exploring Hückel Molecular Orbital Energies through Variational and Phase Estimation Quantum Algorithms.The journal of physical chemistry letters · 2026Article
- Photonic variational quantum eigensolver for NISQ-compatible quantum technology.Nano convergence · 2025Review
- Domain-Separated Quantum Neural Network for Truss Structural Analysis with Mechanics-Informed Constraints.Biomimetics (Basel, Switzerland) · 2025Article
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Authors and funding
7 authors.
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Abstract
Solving the electronic structure problem is a notorious challenge in quantum chemistry and material science. Variational quantum eigensolver (VQE) is a promising hybrid classical-quantum algorithm for finding the lowest-energy configuration of a molecular system. However, it typically requires many qubits and quantum gates with substantial quantum circuit depth to accurately represent the electronic wave function of complex structures. Here, we propose an alternative approach to solve the electronic structure problem using VQE with a single qudit. Our approach exploits a high-dimensional orbital angular momentum state of a heralded single photon and notably reduces the required quantum resources compared to conventional multi-qubit-based VQE. We experimentally demonstrate that our single-qudit-based VQE can efficiently estimate the ground state energy of hydrogen (H
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