Real-Space Multiple-Scattering Theory and Its Applications at Exascale

2017 ◽  
pp. 449-460
Author(s):  
Markus Eisenbach ◽  
Yang Wang
Keyword(s):  
Multiple Scattering ◽  
Scattering Theory ◽  
Real Space ◽  
Multiple Scattering Theory

Real-Space Multiple Scattering Theory Method: Formalism and Applications

1991 ◽  
Vol 253 ◽  
Author(s):  
X.-G. Zhang
Keyword(s):  
Angular Momentum ◽  
Multiple Scattering ◽  
Scattering Theory ◽  
Infinite System ◽  
Layered Structures ◽  
Real Space ◽  
Extended Defects ◽  
Multiple Scattering Theory ◽  
Convergence Behavior ◽  
Consistent Equation

ABSTRACTDifferent forms of the real-space multiple scattering theory (RS-MST) formalism are compared in order to understand its convergence behavior with respect to truncation in the angular momentum expansions. In particular the so-called “folding method” or (1,n) mode is considered, in which the renormalized t-matrix T of the semi-infinite system has the dimension of n (n > 1) repeating units and the self-consistent equation for T is constructed by adding and contracting one such unit. It has been demonstrated in previous studies of layered structures that the folding method converges rapidly in both angular momentum (L) and site (n) indices and yields accurate results. The convergence behavior is an important factor to be considered in applying the various forms of the RS-MST method to layered structures as well as other systems with extended defects.

scholarly journals Real-space multiple scattering theory for superconductors with impurities

2020 ◽  
Vol 102 (24) ◽  
Author(s):  
Tom G. Saunderson ◽  
Zsolt Győrgypál ◽  
James F. Annett ◽  
Gábor Csire ◽  
Balázs Újfalussy ◽  
...  
Keyword(s):  
Multiple Scattering ◽  
Scattering Theory ◽  
Real Space ◽  
Multiple Scattering Theory
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