Aesthete 发表于 2025-3-30 10:13:07
Florentin Smarandache,Mumtaz Ali,Mohsin Khan . (JLV) . We shall then use these theorems to derive a general expression for the matrix elements of a tensor-operator product between coupled states in a purely graphical way. Finally, we shall apply these results to an important physical problem—the Coulomb interaction of a two-electron sysHeretical 发表于 2025-3-30 16:11:39
Fuzzy Sets and Their Operations,red some physical problems, like the Coulomb interaction. We are now in a position to study atomic properties in a more systematic way. In the present chapter we shall investigate the Hamiltonian for many-electron atoms and the independent-particle model in which the electrons are assumed to move inPandemic 发表于 2025-3-30 18:01:09
Fuzzy Multiple Attribute Decision Makingage field due to the nucleus and the other electrons. This assumption reduces the many-electron problem to a number of independent single-electron problems, and it leads to the general unrestricted Hartree-Fock model. For an arbitrary potential the single-particle functions can have quite a complica芳香一点 发表于 2025-3-31 00:01:40
http://reply.papertrans.cn/17/1648/164741/164741_54.pngCLASP 发表于 2025-3-31 01:46:48
Fuzzy Multiple Objective Decision Makingsystems provides no fundamental difficulty. Using the standard technique of . and . , described in Chap. 5, one can set up the matrix of the Hamiltonian with Slater determinants as basis functions. The zeroth-order wave function and the first-order energy splitting are then obtained from the eDelude 发表于 2025-3-31 06:29:26
Studies in Fuzziness and Soft Computingds of atomic systems. In the first part of the book we have built up an approximate atomic model, based on the central-field concept. In that model the electrons move independently in a central potential, and the single-electron wave functions can be separated into radial, angular and spin parts. Th