Accession Number:

AD0647001

Title:

EXCITON AND IMPURITY STATES IN RARE GAS SOLIDS,

Descriptive Note:

Corporate Author:

CHICAGO UNIV ILL

Personal Author(s):

Report Date:

1966-01-01

Pagination or Media Count:

58.0

Abstract:

The formalism of the preceding paper AD-646 998 is applied to a calculation of the first excited states of 1 pure crystals of Kr and Xe and 2 rare gas solids containing a substitutional Xe impurity. A Hartree potential for the bare electron-hole interaction is constructed for each system, and is screened within the random phase approximation. Matrix elements of the corresponding pseudopotentials, projected according to the Cohen-Heine prescription, are derived in the Wannier representation. Band structures inferred from optical data are fitted to simple interpolation formulae. By transformation to a symmetric representation for the envelope function, the Wannier difference equations are reduced to manageable form and solved by a matrix technique. Although the calculations contain no disposable parameters, obtained binding energies and oscillator strengths are found to be in excellent agreement with experiment. Author

Subject Categories:

  • Solid State Physics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE