Interpretation and relativistic extension of Bely's approximation for exchange in electron-ion collisions

M. Klapisch; J. Oreg; A. Bar Shalom

doi:10.1088/0022-3700/14/9/003

Interpretation and relativistic extension of Bely's approximation for exchange in electron-ion collisions

M. Klapisch^*
, J. Oreg
, A. Bar Shalom

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The authors point out that Bely's approximation (1967) for exchange in excitation cross sections by electronic collisions is equivalent to considering a contact interaction between free and bound electrons. This allows us to obtain the corresponding formula for relativistic wavefunctions and for many-electron atoms and to discuss the quality of the approximation.

Original language	English
Article number	003
Pages (from-to)	L325-L328
Journal	Journal of Physics B: Atomic and Molecular Physics
Volume	14
Issue number	9
DOIs	https://doi.org/10.1088/0022-3700/14/9/003
State	Published - 1981

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title = "Interpretation and relativistic extension of Bely's approximation for exchange in electron-ion collisions",

abstract = "The authors point out that Bely's approximation (1967) for exchange in excitation cross sections by electronic collisions is equivalent to considering a contact interaction between free and bound electrons. This allows us to obtain the corresponding formula for relativistic wavefunctions and for many-electron atoms and to discuss the quality of the approximation.",

author = "M. Klapisch and J. Oreg and \{Bar Shalom\}, A.",

year = "1981",

doi = "10.1088/0022-3700/14/9/003",

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AU - Oreg, J.

AU - Bar Shalom, A.

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AB - The authors point out that Bely's approximation (1967) for exchange in excitation cross sections by electronic collisions is equivalent to considering a contact interaction between free and bound electrons. This allows us to obtain the corresponding formula for relativistic wavefunctions and for many-electron atoms and to discuss the quality of the approximation.

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JO - Journal of Physics B: Atomic and Molecular Physics

JF - Journal of Physics B: Atomic and Molecular Physics

IS - 9

M1 - 003

ER -

Interpretation and relativistic extension of Bely's approximation for exchange in electron-ion collisions

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