Abstract
The chapter is devoted to an introduction of the main radiative characteristics of atoms and ions to describe the light-matter interaction. The presentation is based on the correspondence principle between classical and quantum physics in order to derive the basic radiative properties, including the Einstein coefficients and the dynamic polarizability of the atom. Attention is also paid to the description of the dynamic polarizability of atoms and ions including the static, high-frequency and resonance case. The innovative concept of local plasma frequency is introduced for the atom that allows describing the polarizability of many-electron systems at a semi-quantitative level. Finally, the prospective interesting polarizability of metal nanoparticles placed in a solid-state matrix is considered within the framework of the Mie theory and the dipole approximation.
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Rosmej, F.B., Astapenko, V.A., Lisitsa, V.S. (2021). Radiative Characteristics of Polarized Atoms and Ions. In: Plasma Atomic Physics. Springer Series on Atomic, Optical, and Plasma Physics, vol 104. Springer, Cham. https://doi.org/10.1007/978-3-030-05968-2_2
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DOI: https://doi.org/10.1007/978-3-030-05968-2_2
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