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|Type:||Artigo de periódico|
|Title:||Effective configurations in electron-molecule scattering. II|
|Abstract:||We present results of the application of the Schwinger multichannel method using effective configurations [Azevedo et al.. Phys. Rev. A 61, 042701 (2000)] to study special features of low-energy electron-molecule scattering, such as (i) the shape resonance in e(-)-N-2 scattering: (ii) the Ramsauer-Townsend minimum in e(-)-CH4 scattering: and (iii) a Feshbach resonance in e(-)-H-2 scattering (in a two-channel coupling calculation including polarization effects). In all cases, we find that the use of effective configurations to describe polarization effects allows a substantial reduction of the configuration spacer without any loss of quality of the results. The present applications (together with our previous study of nonresonant electron-H-2 scattering) indicate that this technique will be very useful in the analysis of more complex systems.|
|Editor:||American Physical Soc|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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