alabaster
发表于 2025-3-26 21:14:21
Book 1975rice, Italy, June 6-21, 1974. The Institute was the first activity of the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. The Institute consisted of a series of lectures on optical properties of ions in solids that, starting at a fund
最后一个
发表于 2025-3-27 01:07:31
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联合
发表于 2025-3-27 05:25:51
Magnetic Ions in Solids,theory and with the interrelations between group theory and quantum mechanics. The second lecture starts with the consideration of the groups of interest for free atoms and atoms in a homogeneous magnetic field; the concept of a complete set of commuting operators is stressed. The energy levels of a
compel
发表于 2025-3-27 09:41:33
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hypertension
发表于 2025-3-27 16:19:40
Absorption and Emission Spectra,e of this paper is mainly to show that the theoretical results which happen to be the most important ones for comparison with experiments (for instance the Gaussian spectra in the scope of the semi-classical approximation, the Huang and Rhys model and the detailed shape of the one-phonon replica ban
Cognizance
发表于 2025-3-27 20:25:02
Quantum theory of Lattice Vibrations,d the various symmetries of the normal mode eigenvalues are discussed. The transition to the quantum mechanical formalism is done by introducing operator forms for the appropriate physical (observable) quantities. As an extension of the quantum mechanical formalism, the thermodynamic properties of t
Forehead-Lift
发表于 2025-3-28 01:18:10
Theory of Vibronic Spectra,t lattice. The sidebands are called ., and result from a dynamic coupling of the magnetic ion to the motion of other lattice constituents. These sidebands may reflect a frequency distribution for the perfect or perturbed lattice modes. An interpretation of the vibronic structure for the perfect latt
疲劳
发表于 2025-3-28 04:33:01
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botany
发表于 2025-3-28 08:25:10
Some Problems of the Vibrational Structure of Optical Spectra of Impurities in Solids,roblems of no-phonon lines and phonon sidebands. This interest is reasonable: no-phonon lines represent clear-cut narrow spectral lines which are highly sensitive to the slightest alterations of the physical situation in the impurity centre. The ω:Δω) relation for the frequency ω broadening Δω) is o
阴谋
发表于 2025-3-28 10:57:48
Spectroscopy of Magnetic Insulators,rystals is developed and applied to magnetic crystals. The electronic and magnetic structure of magnetic insulators is reviewed, including aspects of most importance to the optical properties of these substances. Finally, a review of several systems such as MnF. is given.