神圣将军
发表于 2025-3-23 13:02:58
Operations,In this chapter we examine the precise meaning of the statement that a symmetry operation . on a point in space, on a function, and on an operator. The difference between active and passive views of symmetry is explained, and a few practical conventions are introduced.
macabre
发表于 2025-3-23 15:46:29
Spherical Symmetry and Spins,A brief excursion is made into the concept of continuous groups, with an example of the rotation groups. The purpose is to familiarize the reader with the concept of electron spin. The coupling of spins is discussed. Applications are taken from Crystal-Field Theory and Electron Spin Resonance.
ARC
发表于 2025-3-23 18:45:04
Hao Wu,Amit Kumar Chaudhary,Ram I. Mahatotor, and the properties of unitary matrices. The homomorphism between operations and matrix multiplications is established, and the Dirac notation for function spaces is defined. For those who might wonder why the linearity of operators need be considered, the final section introduces time reversal, which is anti-linear.
Foreknowledge
发表于 2025-3-24 00:09:20
Function Spaces and Matrices,tor, and the properties of unitary matrices. The homomorphism between operations and matrix multiplications is established, and the Dirac notation for function spaces is defined. For those who might wonder why the linearity of operators need be considered, the final section introduces time reversal, which is anti-linear.
蛰伏
发表于 2025-3-24 03:14:42
Group Theory Applied to Chemistry978-94-007-6863-5Series ISSN 2214-4714 Series E-ISSN 2214-4722
reject
发表于 2025-3-24 06:53:26
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暂时休息
发表于 2025-3-24 13:40:53
Interactions,representations. The results are applied to chemical reaction theory, and to the theory of the Jahn–Teller effect. Selection rules are illustrated for linear and circular dichroism. Finally, the polyhedral Euler theorem is introduced and applied to valence-bond theory for clusters.
Restenosis
发表于 2025-3-24 18:04:02
What has Quantum Chemistry Got to Do with It?,iltonian. We further analyze the concept of a degeneracy and show how the degenerate components can be characterized by canonical symmetry relationships. The final section will then provide a detailed account of the symmetry operations that leave the Hamiltonian invariant.
初学者
发表于 2025-3-24 19:48:24
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流动才波动
发表于 2025-3-25 03:07:56
Representations, applications: the tetrahedral hybridization of carbon, the molecular vibrations of UF., and the electronic structure of conjugated hydrocarbons, according to the Hückel model and the method of the London model of gauge-invariant atomic orbitals.