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quant-ph2026
Performance and Stability of Quantum Krylov Diagonalization for the Hubbard Model
Mohammad Mirzakhani, Hyukgun Kwon, Kyungsun Moon
Quantum Krylov diagonalization (QKD) has emerged as a promising hybrid quantum-classical approach for estimating ground-state properties of many-body systems on near-term quantum d…
quant-ph2025
Quantum simulation approach to ultra-weak magnetic anisotropy in a frustrated spin-1/2 antiferromagnet
Ki Won Jeong, Jae Yeon Seo, Sunghyun Lim +6
The intrinsic equivalence between electron spin and qubit offers a natural foundation for quantum simulations of magnetic materials. However, incorporating magnetocrystalline aniso…
quant-ph2025
Quantum simulation of the Hubbard model on a graphene hexagon: Strengths of IQPE and noise constraints
Mohammad Mirzakhani, Kyungsun Moon
Quantum computing offers transformative potential for simulating real-world materials, providing a powerful platform to investigate complex quantum systems across quantum chemistry…