Authors

Hyunwoo Kim

Publications 3

Preprint Open access

Demonstration of subspace-search variational quantum eigensolver using photonic orbital angular momentum qudits

Kang-Min Hu, Myung-Hyun Sohn, Yong-Su Kim et al. · 2026 · 10.1038/s41534-026-01380-2

Accurate excited state energies are essential for interpreting fluorescence and photochemical processes, yet variational quantum eigensolvers (VQEs) on noisy intermediate-scale quantum (NISQ) hardware have largely been confined to ground states. Subspace-search VQE (SSVQE) offers a NISQ-friendly route to excited states …

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