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quant-ph2024
Efficient Strategies for Reducing Sampling Error in Quantum Krylov Subspace Diagonalization
Gwonhak Lee, Seonghoon Choi, Joonsuk Huh +1
Within the realm of early fault-tolerant quantum computing (EFTQC), quantum Krylov subspace diagonalization (QKSD) has emerged as a promising quantum algorithm for the approximate…
quant-ph2023
Probing Quantum Efficiency: Exploring System Hardness in Electronic Ground State Energy Estimation
Seonghoon Choi, Ignacio Loaiza, Robert A. Lang +2
We consider the question of how correlated the system hardness is between classical algorithms of electronic structure theory in ground state estimation and quantum algorithms. To…