forbid
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四海为家的人
发表于 2025-3-30 16:05:03
Electron Collisions with Atoms and Ionsns with atoms and atomic ions. As well as describing an important application of the theory, this chapter provides an introduction to the basic concepts of multichannel .-matrix theory which will be applied in later chapters to a wide range of other atomic, molecular and optical collision processes.
音乐学者
发表于 2025-3-30 16:59:01
Intermediate-Energy Collisionsation threshold to several times this threshold. In this energy range the target can be ionized as well as excited and, since the energy is not high, strong coupling effects can exist between the channels leading to excitation and to ionization, which can involve intermediate resonances. Hence, theo
rheumatology
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心痛
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逃避系列单词
发表于 2025-3-31 07:48:05
Multiphoton Processes: Floquet Theory availability of increasingly intense lasers has made possible the observation of a wide variety of multiphoton processes, including multiphoton ionization, laser-assisted electron–atom collisions and harmonic generation. Also, in the case of molecules, the loss of spherical symmetry and the degrees
为敌
发表于 2025-3-31 10:13:04
Multiphoton Processes: Time-Dependent Theoryes of the field. In recent years there has been increasing interest in the production and application of these femtosecond (10. s) and attosecond (10. s) laser pulses which have opened up the possibility of time-resolved studies of unprecedented resolution, enabling the electronic motion in atoms, i
生来
发表于 2025-3-31 14:08:27
Collisions with Molecules-matrix theory to treat electron and positron collisions with molecules and we also consider an extension of .-matrix theory to treat molecular multiphoton processes. The processes that occur in electron–, positron– and photon–molecule collisions are considerably more varied and challenging than tho
分发
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极大痛苦
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Clebsch–Gordan and Racah Coefficientstical collision processes. This leads to the introduction of Clebsch–Gordan coefficients, Racah coefficients, 6-. symbols, 9-. symbols as well as higher order 3.-. symbols. For a detailed discussion of these topics reference should be made to specialized monographs on angular momentum by Wigner [965