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1993 (1)
1Author    Claudia Blaas, Josef Redinger, Raimund Podloucky, Peter Jonas, Peter SchattschneiderRequires cookie*
 Title    Calculation of Compton Profiles Using a Multipole Expansion of the Momentum Density  
 Abstract    A practical method for the calculation of Compton profiles for cubic systems with O and O h symmetry is presented that is based on a multipole expansion of the electron momentum density (EMD) in terms of cubic harmonics. The central quantities, the expansion coefficients, are deter-mined by a Gaussian-type integration (special directions) over the angular coordinates. From these coefficients the coefficients of an analogous expansion of the Compton profile can be directly calculated, establishing a transparent relationship between the electron momentum density and the Compton profile. This direct relationship offers the possibility of tracing back Compton-profile anisotropics to EMD anisotropics more easily, as demonstrated for MgO and FeAl. 
  Reference    Z. Naturforsch. 48a, 198—202 (1993); received December 24 1991 
  Published    1993 
  Keywords    Compton profile, Electron momentum density, Multipole expansion, MgO, FeAl 
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 TEI-XML for    default:Reihe_A/48/ZNA-1993-48a-0198.pdf 
 Identifier    ZNA-1993-48a-0198 
 Volume    48