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Type: Artigo de periódico
Title: Effective configurations in electron-molecule scattering. II
Author: Azevedo, DL
Lima, MAP
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.
Country: EUA
Editor: American Physical Soc
Citation: Physical Review A. American Physical Soc, v. 63, n. 6, 2001.
Rights: aberto
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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