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quant-ph2026
Doubling the size of quantum selected configuration interaction based on seniority-zero space and its application to QC-QSCI-AFQMC
Yuichiro Yoshida, Takuma Murokoshi, Rika Nakagawa +6
We propose doubly occupied configuration interaction-quantum selected configuration interaction (DOCI-QSCI), which samples from the seniority-zero space. While the use of this spac…
quant-ph2026
Symmetry-Adapted State Preparation for Quantum Chemistry on Fault-Tolerant Quantum Computers
Viktor Khinevich, Wataru Mizukami
We present systematic and resource-efficient constructions of continuous symmetry projectors, particularly particle number and total spin, tailored for fault-toleran…