COO co-optimizes orbitals with TrimCI to absorb many-body correlations into the basis, cutting determinant count by orders of magnitude for iron-sulfur clusters versus localized bases or DMRG.
Sample-based quantum diagonalization as parallel fragment solver for the localized active space self-consistent field method
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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
ffsim is a new open-source library that accelerates fermionic quantum circuit simulation by using particle number and spin symmetries to cut memory and runtime, outperforming FQE on benchmarks up to 64 qubits.
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Absorbing Many-Body Correlations into Core-Optimized Orbitals
COO co-optimizes orbitals with TrimCI to absorb many-body correlations into the basis, cutting determinant count by orders of magnitude for iron-sulfur clusters versus localized bases or DMRG.
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ffsim: Faster simulation of fermionic quantum circuits
ffsim is a new open-source library that accelerates fermionic quantum circuit simulation by using particle number and spin symmetries to cut memory and runtime, outperforming FQE on benchmarks up to 64 qubits.