DOI: https://doi.org/10.18524/0235-2435.2018.27.150576

СПЕКТРОСКОПІЯ БАГАТОЕЛЕКТРОННОГО АТОМА В DC ЕЛЕКТРИЧНОМУ ПОЛІ: МОДИФІКОВАНИЙ МЕТОД ОПЕРАТОРНОЇ ТЕОРІЇ ЗБУРЕНЬ ДЛЯ ОПИСУ ШТАРКIВСЬКИХ РЕЗОНАНСІВ

A A Kuznetsova, A. A. Buyadzhi, M Yu Gurskaya, A. O Makarova

Анотація


Представлений новий модифікований метод розрахунку характеристик енергій штарківських резонансів (енергії і ширини) для багатоелектронних атомних систем в електричному полі. Метод заснований на модифікованій операторної теорії збурень, яка забезпечує послідовний, коректний опис  ефекту Штарка в сильному полі для багатоелектронних атомів і базується на використанні фізично обґрунтованого наближення перекручених хвиль в рамках формально точної квантово-механічної процедури. В якості ілюстрації представлені деякі тестові дані для енергій і ширин резонансів Штарка в спектрі атомів літію, які порівнюються з результатами розрахунків в рамках альтернативних послідовних теоретичних методів

Ключові слова


multielectron atom in a dc electric field; modified operator perturbation theory; Stark resonances

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Посилання


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