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Параметры тонкой структуры и зеемановское расщепление конфигурации 2p2 атома углерода

Параметры тонкой структуры и зеемановское расщепление конфигурации 2p2 атома углерода

Abstract

Полуэмпирическим методом рассчитаны параметры тонкой структуры конфигурации 2p2 атома углерода. При диагонализации соответствующих матриц оператора энергии, в котором учтены все возможные взаимодействия (электростатическое, спин-орбита (своя и чужая), спин-спин и орбита-орбита), получены расчётные энергии уровней, практически совпадающие с экспериментальными, коэффициенты промежуточной связи и гиромагнитные отношения. Последние сравниваются с имеющимися экспериментальными данными и показывают хорошее согласие. Определён характер связи в рассматриваемой системе. Для подтверждения надёжности полученных результатов построена картина зеемановского расщепления в области магнитного поля 0-500 кЭ и рассчитаны интервалы между магнитными компонентами в полях, где имеются соответствующие экспериментальные данные. Получено хорошее согласие расчётных и экспериментальных величин. Библиогр. 8 назв. Ил. 1. Табл. 4.

The matrix of the energy operator is constructed for the np2 configuration. The electrostatic, spin-own-orbit, spin-other-orbit, spin-spin and orbit-orbit interactions are taken into account. Fine-structure parameters, coupling coefficients and gyromagnetic ratios are calculated for the 2p2 configuration of the carbon atom. Discrepancies between the calculated and experimental energy are virtually zero. The picture of magnetic level splitting for the 2p2 configuration of carbon is calculated with the fine-structure parameters obtained by the semiempirical method. Only the terms linear in the magnetic field strength are taken into account in the matrix elements of the energy operator of interaction of the atom with the magnetic field. In the region of magnetic field strength up to 500 kOe 6 crossings of the magnetic sublevels were found. The results obtained are compared with the experimental results.

Keywords

ПОЛУЭМПИРИЧЕСКИЙ РАСЧЁТ, МАТРИЦА ОПЕРАТОРА ЭНЕРГИИ, ТОНКАЯ СТРУКТУРА, ЗЕЕМАНОВСКОЕ РАСЩЕПЛЕНИЕ, ГИРОМАГНИТНЫЕ ОТНОШЕНИЯ, КОЭФФИЦИЕНТЫ СВЯЗИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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