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physics.chem-ph2026
Mitigating Errors in Variational Quantum Eigensolver Calculations through Extended Random Phase Approximation
Michael Wagner, Pavel Begy, Jiří Brabec +4
Quantum hardware noise remains a major obstacle to accurate molecular simulations using the variational quantum eigensolver (VQE). We introduce a novel error-mitigation strategy ba…
physics.chem-ph2024
Density Matrix Renormalization Group Approach Based on the Coupled-Cluster Downfolded Hamiltonians
Nicholas Bauman, Libor Veis, Karol Kowalski +1
The Density Matrix Renormalization Group (DMRG) method has become a prominent tool for simulating strongly correlated electronic systems characterized by dominant static correlatio…