УДОСКОНАЛЕНИЙ РЕЛЯТИВІСТСЬКИЙ ПІДХІД В СПЕКТРОСКОПІЇ СКЛАДНИХ АВТОІОНІЗАЦІЙНИХ РЕЗОНАНСІВ В АТОМНИХ СПЕКТРАХ

Автор(и)

  • A. V. Smirnov Одеський державний екологічний університет, Україна
  • O. Yu. Khetselius Одеський державний екологічний університет, Україна https://orcid.org/0000-0002-1144-9394
  • V. V. Buyadzhi Одеський державний екологічний університет, Україна https://orcid.org/0000-0002-7473-7000
  • A. S. Belodonov Одеський державний екологічний університет, Україна

DOI:

https://doi.org/10.18524/0235-2435.2017.26.126206

Ключові слова:

спектроскопія автоіонізаційних резонансів, удосконалений релятивістський підхід, гелій

Анотація

В роботі розвивається вдосконалений релятивістський підхід до вивчення параметрів автоіонізаціонних резонансів в атомних системах, який ґрунтується на узагальненому енергетичному підході (S-матричний формалізм Гелл-Манна і Лоу) і релятивістської багаточастинковій теорії 123 збурень з нульовим наближенням Дірака-Кона-Шема і акуратним урахуванням обмінно-кореляційних, релятивістських ефектів. Оптимізація базису релятивістських орбіталей зводиться до мінімізації калібрувально-залежного багатоелектронного вкладу від обмінно-кореляційних поправок КЕД теорії збурень в радіаційні ширини атомних рівнів, що в свою чергу, зводиться до вирішення системи рівнянь типу Дірака-Кона-Шема для електронної густини. В якості ілюстрації можливостей запропонованого підходу наведені дані по енергії і ширині автоіонізаційного резонансу 3s3p 1 Р0 в спектрі атома гелію і проведено порівняння з наявними експериментальними даними і результатами інших теорій, в тому числі, методом комплексного обертання Хо, алгебраїчного підходу Wakid-Callaway, методу діагоналізації Senashenko-Wague і т.і.

Біографії авторів

A. V. Smirnov, Одеський державний екологічний університет

A. V. Smirnov

O. Yu. Khetselius, Одеський державний екологічний університет

O. Yu. Khetselius

V. V. Buyadzhi, Одеський державний екологічний університет

V. V. Buyadzhi

A. S. Belodonov, Одеський державний екологічний університет

A. S. Belodonov

Посилання

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