РЕЛЯТИВІСТСЬКИЙ РОЗРАХУНОК СИЛ ОСЦИЛЯТОРІВ РАДІАЦІЙНИХ ПЕРЕХОДІВ МІЖ РІДБЕРГІВСЬКИМИ СТАНАМИ БАРІЯ

E. V. Ternovsky, O. A. Antoshkina, T. A. Florko, T. B. Tkach

Анотація


Комбінований релятивістський енергетичний підхід і релятивістська багаточастинкова теорія збурень з дірак-кон-шемівським одночастинковим наближенням нульового порядку використовуються для попередньої оцінки енергій і сил осциляторів радіаційних переходів з основного стану в низько збуджені і рідбергівські стани, зокрема, 6s2 -6snp (n = 7 -50) переходів атома барія. Виконано порівняння розрахункових сил осциляторів з наявними теоретичними і експериментальними даними. Найважливіша особливість даного розрахунку пов’язана з неврахуванням вкладу в величину сили осцилятора, обумовленого ефектом поляризації остова та декотрими іншими кореляційними поправками, що призводить до ~ 40% відмінності між експериментальними (компіллірованними) і теоретичними даними.

Ключові слова


релятивістська теорія; сили осцилляторів; радіаційнні переходи; рідбергівські стани

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