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Atomic and molecular defects in solid 4He

Journal

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.physrep.2008.06.004

Keywords

Matrix isolation spectroscopy; Solid helium; Superfluid helium; Atomic bubbles; Electron bubbles; Exciplexes; Optically detected magnetic resonance

Funding

  1. Deutsche Forschungsgemeinschaft, DFG
  2. Swiss National Science Foundation, SNF [21-59451.99, 20-67008.01, 200020-103864]

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The studies of defects formed by impurity particles (atoms, molecules, exciplexes, clusters. free electrons, and positive ions) embedded in liquid and solid He-4 are reviewed. The properties of free electrons and neutral particles in condensed helium are described by the electron (atomic) bubble model, whereas for the positive ions a snowball structure is considered. We compare the properties of the defects in condensed helium with those of metal atoms isolated in heavier rare gas matrices. (C) 2008 Elsevier B.V. All rights reserved.

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