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http://dx.doi.org/10.4283/JKMS.2008.18.1.036

Angular Momentum Effect of Electron Scattering with Reduced Angular Momentum Expansion  

Kang, J.H. (Department of Nano and Electronic Physics, Kookmin University)
Abstract
We calculate the electron scattering amplitude with reduced angular momentum expansion(RAME) and compare it with the plane wave approximation. By using WKB approximation it is shown that the curvature correction factor given by RAME is originated from the source wave centrifugal potential energy. The factor also can be understood as an effective wave number correction factor in plane wave approximation. Angular momentum and its relationship with scattering amplitude is explicitly shown.
Keywords
reduced angular momentum expansion; electron scattering; propagator; WKB approximation;
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