DOI: https://doi.org/10.18524/0235-2435.2018.27.150504

РЕЛЯТИВІСТСЬКИЙ РОЗРАХУНОК ПАРАМЕТРІВ РІДБЕРГІВСЬКИХ АВТОІОНІЗАЦІЙНИХ СТАНІВ В СПЕКТРІ БАРІЯ

E. V. Ternovsky, V. V. Buyadzhi, A. V. Tsudik, A. A. Svinarenko

Анотація


Комбінований релятивістський енергетичний підхід і релятивістська багаточастинкова теорія збурень з дірак-кон-шемівським одночастинковим наближенням нульового порядку використовуються для енергій рідбергівських автоіонізаційних станів 4f5/2,7/2n’f J=6,5,4, збуджених з початкового стану 5d3/215f, J=5  в спектрі атома барію. Проведено порівняння з наявними теоретичними і експериментальними (скопійованими) даними. Важливий момент пов'язаний з акуратним урахуванням вкладів складних багаточасткових обмінних кореляційних (поляризаційних) ефектів і з використанням оптимізованого одноквазічастічного уявлення в нульовому наближенні релятивістської багаточастинкової  теорії збурень, що істотно визначає фізично розумне згоду між теорією і точним експериментом..

Ключові слова


relativistic theory; Rydberg autoionization states; barium

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Посилання


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