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physics.comp-ph2025
On the rank-reduced relativistic coupled cluster method
Alexander V. Oleynichenko, Artem S. Rumiantsev, Andrei Zaitsevskii +1
An efficiency of the Tucker decomposition of amplitude tensors within the single-reference relativistic coupled cluster method with single and double excitations (RCCSD) was studie…
physics.comp-ph2024
Finite-order method to calculate approximate density matrices in the Fock-space multireference coupled cluster theory
Alexander V. Oleynichenko, Andrei Zaitsevskii, Leonid V. Skripnikov +1
An efficient approach to calculate approximate pure-state and transition reduced density matrices in the framework of the multireference relativistic Fock-space coupled cluster (FS…