Publikace ÚTF

Reducing the dimensionality of grid based methods for electron-atom scattering calculations below ionization threshold

Benda, J., Houfek, K.

For total energies below the ionization threshold it is possible to dramatically reduce the computational
burden of the solution of the electron-atom scattering problem based on grid methods combined with
the exterior complex scaling. As in the R-matrix method, the problem can be split into the inner and outer
problem, where the outer problem considers only the energetically accessible asymptotic channels. The
(N+1)-electron inner problem is coupled to the one-electron outer problems for every channel, resulting
in a matrix that scales only linearly with size of the outer grid.
typ:article
journal:Computer Physics Communications
volume:213
pages:46-51
year:2017
files:
compphyscomm.213.46_benda.houfek.pdf (696.24 kB)

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