On contribution of the electron-electron correlations into bremsstrahlung from few-electron ions

TL;DR

This paper introduces a new analytical approach to evaluate how electron-electron correlations influence bremsstrahlung emissions in few-electron ions and atoms, with applications to plasma energy loss and high-temperature plasma processes.

Contribution

A novel analytical method for calculating electron-electron correlation effects on bremsstrahlung in few-electron systems is developed and applied to plasma energy loss analysis.

Findings

Derived closed-form formulas for atomic form-factors.

Quantified electron-electron correlation contributions to bremsstrahlung.

Analyzed bremsstrahlung impact on plasma energy loss and burn-up.

Abstract

A new approach is developed to evaluate contribution of the electron-electron correlations into bremsstrahlung from few-electron ions and atoms. Our approach is based on the explicit formula for the electron density distribution in such systems. We derive the closed analytical formula for the matrix elements which are needed for highly accurate computations of atomic form-factors of two-electron atoms and ions. We also discuss the energy loss due to bremsstrahlung in a plasma which contains multi-charged ions and free electrons. Bremsstrahlung from a high-temperature plasma is considered as well as its role in the high-temperature burn-up of deuterium plasma.