The Effect of a Radiation Field on Excitation and Ionisation in Non-LTE High Energy Density Plasmas

Rose, Steven J

doi:10.1007/978-3-319-00038-1_4

Cited by 2 publications

(4 citation statements)

References 44 publications

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“…[14,15] The definitions of these rates are well known and can be found, e.g., in Refs. [9,16]. In HULLAC, the radial integrals are computed using the efficient phase-amplitude algorithm [17].…”

Section: Computation Detailsmentioning

confidence: 99%

“…We chose plasma parameters that are not related to any particular experiment, but with typical values ensuring that without radiation the system is not in local thermodynamical equilibrium (non-LTE condition). Many definitions and formulas for studies of these conditions can be found in the work of Rose [9]. Radiation effects in non-LTE plasmas were previously described with the FLYCHK code of Chung and Lee [10].…”

Section: Introductionmentioning

confidence: 99%

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Effect of incoming radiation on the non-LTE spectrum of Xe at Te = 100 eV

Klapisch¹,

Busquet²

2011

High Energy Density Physics

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The effect of a diluted Planckian radiation field on a Xe gas at the electron temperature of 100eV is investigated within the framework of a Collisional Radiative Model, using the HULLAC code. The atomic model spans 19 charge states, includes 20,375 configurations and contains more than 2x10 6 levels. We have simulated detailed spectra comprising more than 10 9 transitions with the Mixed UTA model.The radiation temperature T r is varied from 0 to 1.5 T e . The dilution factor, D, applied to decrease the radiation field, is varied independently from 0 to 3 at fixed T r = T e . In both cases, the average charge state Z* increases from 15 to 27, but in different ways. It is shown that even a dilution D=0.01 changes Z* by more than 1.5. Different combinations of T r and D yielding exactly the same Z*, may give line ratios sufficiently different to be observed. This fact is explained by the interplay of the shape of the radiation field and the atomic structure.

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Section: Computation Detailsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of incoming radiation on the non-LTE spectrum of Xe at Te = 100 eV

Klapisch¹,

Busquet²

2011

High Energy Density Physics

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“…Para el caso de distribución Maxwelliana, no será necesario evaluar σ rr ji , basta con hacer uso de la sección eficaz de fotoionización [126] R rr ji = 4π…”

Section: Recombinación Radiativaunclassified

“…La tasa de fotoabsorción resonante se obtiene integrando la sección eficaz de absorción Ec. (2.136) con el campo radiativo I(ν) [126]…”

Section: Absorción Y Emisión Estimuladaunclassified

Modelización de las propiedades radiativas e interacción de láseres ultraintensos con la materia

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The Effect of a Radiation Field on Excitation and Ionisation in Non-LTE High Energy Density Plasmas

Cited by 2 publications

References 44 publications

Effect of incoming radiation on the non-LTE spectrum of Xe at Te = 100 eV

Effect of incoming radiation on the non-LTE spectrum of Xe at Te = 100 eV

Modelización de las propiedades radiativas e interacción de láseres ultraintensos con la materia

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