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Variational quantum eigensolver boosted by adiabatic connection
Mikuláš Matoušek, Katarzyna Pernal, Fabijan Pavošević +1
In this work we integrate the variational quantum eigensolver (VQE) with the adiabatic connection (AC) method for efficient simulations of chemical problems on near-term quantum co…
Highly-Entangled Polyradical Nanographene with Coexisting Strong Correlation and Topological Frustration
Shaotang Song, Andrés Pinar Solé, Adam Matěj +12
Open-shell benzenoid polycyclic aromatic hydrocarbons, known as magnetic nanographenes, exhibit unconventional p-magnetism arising from topological frustration or strong electronic…
Hilbert space multireference coupled clusters tailored by matrix product states
Ondrej Demel, Jan Brandejs, Jakub Lang +4
The DMRG method, despite its favorable scaling, it is in practice not suitable for computations of dynamic correlation. Several approaches to include that in post-DMRG methods exis…