Single-qudit-based variational quantum eigensolver using orbital angular momentum states
Byungjoo Kim, Kwang-Yu Hu, Mirim Sohn, Yosep Kim, Yong‐Su Kim, Seung-Woo Lee, Hyang‐Tag Lim · 2025
Variational quantum eigensolver (VQE) is a promising candidate to solve eigenvalue problems. However, quantum resources increase substantially for complex problems in conventional multi-qubit VQE. We propose more resource-efficient qudit-based VQE using orbital angular momentum states.