РЕЛЯТИВІСТСЬКИЙ ЕНЕРГЕТИЧНИЙ ПІДХІД І БАГАТОЧАСТИНКОВА ТЕОРІЯ ЗБУРЕНЬ ДЛЯ ВИЗНАЧЕННЯ ПЕРЕТИНІВ ЕЛЕКТРОННОГО ЗБУДЖЕННЯ ЗА РАХУНОК ЗІТКНЕНЬ ДЛЯ СКЛАДНИХ БАГАТОЕЛЕКТРОННІ ИОНОВ
DOI:
https://doi.org/10.18524/0235-2435.2020.29.225593Ключові слова:
спектроскопія іонів, енергетичний підхід, перерізи зіткненьАнотація
Ефективний релятивістський енергетичний підхід в комбінації з багаточастинкової теорією збурень з неемпіричним нульовим наближенням використуються для розрахунку перетинів електронного збудження за рахунок зіткнень для ряду складних релятивістських багатоелектронних систем. Релятивістська багаточастинкова теорія збурень поряд з ефективною калібрувально-інваріантної схемою використуються для генерації оптимального одноелектронного уявлення Дірака-Кона-Шама-Дебая-Хюккеля. Наведены результати релятивістського розрахунку (з урахуванням обмінних і кореляційних поправок) перетинів електрон-зіткнень збудження неоноподібного іона кріптону і проведено порівняння з альтернативними результатами розрахунків на основі R-матричного методу в наближенні Брейта-Паулі, в релятивістському наближенні спотворених хвиль і на основі R-матричного методу в поєднанні з наближенням Дірака-Фока.
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