Slow electrons in relaxing dipolar media

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Moderation, geminate recombination and solvation of low energy electrons in dipolar systems are discussed with a view to the dielectric relaxation of the medium. Earlier theories are summarized and compared with more recent experimental findings. The principal issues to be tackled are whether the continuum description of the dielectric properties of the medium is a reasonable approach and whether self-trapping is a tenable mechanism of electron localization. Finally a new model is outlined which consists in ion-electron pairs treated as hydrogen-like atoms embedded in a relaxing dipolar medium.

Original languageEnglish
Pages (from-to)61-68
Number of pages8
JournalRadiation Physics and Chemistry
Issue number1
Publication statusPublished - Dec 1 1989


ASJC Scopus subject areas

  • Radiation

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