Titlebook: R-Matrix Theory of Atomic Collisions; Application to Atomi Philip George Burke Book 2011 Springer-Verlag Berlin Heidelberg 2011 Atomic coll

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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.

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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

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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

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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

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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

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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