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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Sociedade Brasileira de Física
2005
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=46415793027 |
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Sommario:
- An efficient screening approach to be used in plasma modeling and ion-surface collision experiments J. Pomarico D. I. Iriarte H. O. Di Rocco Física, Astronomía y Matemáticas In this work we show that the Layzer theory for atomic calculations, not only provides a theoretical framework but also a powerful computational approach if correct rules for the calculation of the screening parameters are given. Using the virial as a model for potential energy and splitting of two-body operators as sum of one-body operators, a neat definition of screening is given, satisfying diverse physically indispensable properties. Many different experimental and theoretical results are reproduced with high accuracy, with no fitting procedure involving energy levels or numerical potentials. A C++ code and an executable file are available upon request. 2005 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46415793027 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.2B Vol.35