نتایج جستجو برای: electron correlation
تعداد نتایج: 687495 فیلتر نتایج به سال:
we show that when both sources ( lepton flavor violation sources and cp-violating phases) are present, the electric dipole moment of the electron, $d_e$, receives a contribution from the phase of the trilinear $a$-term of staus, $phi_{a_ au}$. for $phi_{a_ au}=pi/2$, the value of $d_e$, depending on the ratios of the lfv mass elements, can range between zero and three orders of magnitude a...
In this study, the electronic structure of armchair silicene nanoribbons (ASiNRs) is investigated for various widths using first-principle calculations and the framework of the density functional theory. Electronic structure of ASiNRs shows a direct band gap which is decreased with increasing the nanoribbon's width, showing an oscillatory behavior. The effective Coulomb interaction between loca...
Traditional configuration-based theories of dynamic electron correlation, such as variational configuration interaction(CI), Møller-Plesset perturbation theory(MPn), and coupled-cluster (CC) theory, exhibit steep scaling with both the number of basis functions and the number of electrons. Their overall formal scaling at constant basis set quality varies between O(N 5) and O(N 7) or higher, wher...
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