Publications and conferences

O. Gritsenko, K. Pernal, Complete active space and corrected density functional theories helping each other to describe vertical electronic π → π* excitations in prototype multiple-bonded molecules, J. Chem. Phys. 151(2), 024111, 2019

E. Pastorczak, H. J. A. Jensen, P. Kowalski, K. Pernal, Generalized Valence Bond Perfect-Pairing Made Versatile Through Electron-Pairs Embedding, J. Chem. Theory Comput. 15(8), 4430-4439, 2019

O. Gritsenko, R. van Meer, K. Pernal, Electron correlation energy with a combined complete active space and corrected density-functional approach in a small basis versus the reference complete basis set limit: A close agreement, Chem. Phys. Lett. 716, 227-230, 2019

O. Gritsenko, R. van Meer, K. Pernal, Electron correlation energy with a combined complete active space and corrected density-functional approach in a small basis versus the reference complete basis set limit: A close agreement, Chem. Phys. Lett. 716, 227–230, 2019

M. Hapka, M. Przybytek, K. Pernal, Second-Order Dispersion Energy Based on Multireference Description of Monomers, J. Chem. Theory Comput. 15(2), 1016-1027, 2018

O. Gritsenko, R. van Meer, K. Pernal, Efficient evaluation of electron correlation along the bond-dissociation coordinate in the ground and excited ionic states with dynamic correlation suppression and enhancement functions of the on-top pair density, Phys. Rev. A 98(6), 062510, 2018

K. Pernal, Exact and approximate adiabatic connection formulae for the correlation energy in multireference ground and excited states, J. Chem. Phys. 149(20), 204101, 2018

E. Pastorczak, K. Pernal, Molecular interactions in electron-groups embedding generalized valence bond picture, Theor. Chem. Acc. 137(12), 172, 2018

Á. Margócsy, P. Kowalski, K. Pernal, Á. Szabados, Multiple bond breaking with APSG-based correlation methods: comparison of two approaches, Theor. Chem. Acc. 137(11), 159, 2018

E. Pastorczak, K. Pernal, Electronic Excited States from the Adiabatic-Connection Formalism with Complete Active Space Wave Functions, J. Phys. Chem. Lett. 9(18), 5534-5538, 2018

E. Pastorczak, K. Pernal, Correlation Energy from the Adiabatic Connection Formalism for Complete Active Space Wave Functions, J. Chem. Theory Comput. 14(7), 3493-3503, 2018

K. Pernal, Electron Correlation from the Adiabatic Connection for Multireference Wave Functions, Phys. Rev. Lett. 120(1), 013001, 2018

E. Pastorczak, J. Shen, M. Hapka, P. Piecuch, K. Pernal, Intricacies of van der Waals Interactions in Systems with Elongated Bonds Revealed by Electron-Groups Embedding and High-Level Coupled-Cluster Approaches, J. Chem. Theory Comput. 13(11), 5404-5419, 2017

M. Piris, K. Pernal, Comment on “Generalization of the Kohn-Sham system that can represent arbitrary one-electron density matrices”, Phys. Rev. A 96(4), 046501, 2017

K. Pernal, Correlation energy from random phase approximations: A reduced density matrices perspective, Int. J. Quantum Chem. 118(1), e25462, 2017

K. Chatterjee, E. Pastorczak, K. Jawulski, K. Pernal, A minimalistic approach to static and dynamic electron correlations: Amending generalized valence bond method with extended random phase approximation correlation correction, J. Chem. Phys. 144(24), 244111, 2016

E. Pastorczak, K. Pernal, A road to a multiconfigurational ensemble density functional theory without ghost interactions, Int. J. Quantum Chem. 116(11), 880-889, 2016

K. Pernal, N. I. Gidopoulos, E. Pastorczak, Excitation Energies of Molecules from Ensemble Density Functional Theory, Advances in Quantum Chemistry, Elsevier, pp. 199-229, 2016

K. Pernal, Reduced density matrix embedding. General formalism and inter-domain correlation functional, Phys. Chem. Chem. Phys. 18(31), 21111-21121, 2016

K. Pernal, Turning reduced density matrix theory into a practical tool for studying the Mott transition, New J. Phys. 17(11), 111001, 2015