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Approximate plasma dispersion functions at relativistic temperatures
Published online by Cambridge University Press: 04 November 2004
Abstract
Analytic approximations to relativistic plasma dispersion functions are derived in terms of the exponential integral function, ${\rm Ei}(x)$, for relativistic temperatures $T\gapprox m_{\rm e}c^2$ (where $m_{\rm e}c^2$ is the electron rest energy). It is shown that a simpler, useful approximation to these functions can be obtained based on known approximations to the exponential integral function.
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- 2004 Cambridge University Press
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