Line Shapes and Emission Properties in Colliding Plasmas

Rosmej, F. B.; Schott, René; Dalimier, E.; Riley, David; Delserieys, Alice; Renner, O.; Krouský, E.; Lisitsa, V. S.

doi:10.1063/1.2402753

Cited by 1 publication

(3 citation statements)

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“…We consider an example: the errors at T e = 100 eV and N e = 5 × 10 23 cm −3 are about 1.4%, which is about 0.0017 eV for E X calculated by SCFISM and equation (17). The trend and the approximate linear relation of XE varying with the plasma environment are consistent between the SCFISM results and the experimental results [22,23]. Unfortunately, an accurate quantitative comparison between the theory and experiment is difficult, because the local plasma parameters are difficult to obtain from the experiment.…”

Section: Resultssupporting

confidence: 69%

“…This means that the intercombination line (1s2p( 3 P 1 )→1s 2 ) and the resonance line (1s2p( 1 P 1 )→1s 2 ) become closer when N e increases. Both phenomena (a) and (b) have been observed in recent experiments [22,23]. (c) The sensitivity for E X and E X to the electron density decreases with increasing electron temperature.…”

Section: Resultssupporting

confidence: 57%

“…In recent experiments [22,23] distinct energy shifts between the intercombination line (1s2p( 3 P 1 )→1s 2 ) and the resonance line (1s2p( 1 P 1 )→1s 2 ) of He-like Al under different plasma conditions have been observed. However, there is no theoretical work available for the splitting of these two transitions in dense plasma environments.…”

Section: Introductionmentioning

confidence: 96%

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Exchange energy shifts under dense plasma conditions

Li¹,

Xu²,

Rosmej³

2006

J. Phys. B: At. Mol. Opt. Phys.

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The variation of the energy interval between the intercombination line (1s2p(3P1)→1s2) and the resonance line (1s2p(1P1)→1s2) of He-like aluminium with plasma density and temperature is investigated. Since such energy interval is equivalent to the exchange energy of the state 1s2p(3P1), we consider the dependence of this energy shift on the plasma environment. It was found that the shifts of exchange energy increase (decrease) with the increase of electron density (electron temperature), and the shifts of exchange energy become more sensitive to the electron density as the electron temperature decreases, i.e. in the strongly coupled plasma regime. An approximately linear relation is found between the shifts of exchange energy and the electron density. The results show that dense plasma effects are very important for the simulation of the spectral fine structure. The relative shifts between the intercombination (1s2p(3P1)→1s2) and the resonance line (1s2p(1P1)→1s2) are discussed for diagnostic applications.

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Section: Resultssupporting

confidence: 69%

Section: Resultssupporting

confidence: 57%

Section: Introductionmentioning

confidence: 96%

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