Korchevsky D. Relativistic calculation of strengths of the electron-ion collisions for multicharged ions in plasma

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0408U003853

Applicant for

Specialization

  • 01.04.05 - Оптика, лазерна фізика

02-07-2008

Specialized Academic Board

Д 41.051.01

Odessa I.I.Mechnikov National University

Essay

It is carried out a new relativistic approach to calculating the characteristics for electron-ion collisions for complex multicharged ions in plasma, which is based on the QED perturbation theory for one- and two-quasiparticle systems with using comprehensive, gauge invariant relativistic orbital basis’s and precise account for the complex exchange-correlation effects. New, non-perturbation approach to calculating electron-ion collision strengths in an external electric field of the arbitrary strength is proposed. It is carried out calculation of the cross-sections and electron collisions strengths for a number of F-, Ne- Ar-like ions with a nuclear charge Z=17-26,56 (best candidates for a laser generation). A significant part of the spectral data is obtained at first.

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