نتایج جستجو برای: cluster complex

تعداد نتایج: 969875  

Journal: :Molecular Physics 2021

Since in coupled-cluster (CC) theory ground-state and excitation energies are eigenvalues of a non-Hermitian matrix, these can principle take on complex values. In this paper we discuss the appearance energy values CC calculations from mathematical perspective. We analyze behaviour Hermitian matrices that perturbed (in manner) by real parameter. Based results show for with real-valued Hamiltoni...

Journal: :Polythematic Online Scientific Journal of Kuban State Agrarian University 2016

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