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quant-ph2026
Hybrid QPE-Ansatz Strategy for Reliable Excited-State Variational Quantum Deflation
Young Kyun Ahn, Young Min Rhee
We introduce a spin -component () conserving symmetry-preserving ansatz and a shallow quantum phase estimation (QPE) routine of spin (), and combine them into a…
quant-ph2023★ 1 cited
Variational quantum eigensolver for closed-shell molecules with non-bosonic corrections
Kyungmin Kim, Sumin Lim, Kyujin Shin +5
The realization of quantum advantage with noisy-intermediate-scale quantum (NISQ) machines has become one of the major challenges in computational sciences. Maintaining coherence o…