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Zeitschrift für Physik B Condensed Matter

, Volume 98, Issue 3, pp 363–366 | Cite as

Spectroscopic study of injected electrons in solid helium

  • Andrei Golov
Spectroscopy of Ions and Atoms in Superfluid Helium

Abstract

IR absorption spectra of excess electrons, selflocalized in bubbles in solid hcp4He and bcc3He, are measured. The pressure dependence of the 1s−1p transition energyE1s1pcan be fitted by the values, calculated using spherical rectangular well model and taking surface tension to be pressure independent. The bubble radius obtained varies smoothly from 10.7 Å at 45 atm to 9.4 Å at 100 atm, no dependence on crystalline structure as well as on isotope composition has been observed. The 1s−1p linewidth is 5–6 times smaller thanE1s1p.The absorption cross section is estimated to be 12 Å2.

PACS

67.80.C 71.50 78.50 

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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • Andrei Golov
    • 1
  1. 1.Institute of Solid State PhysicsRussian Academy of SciencesMoscowRussia

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