Аналiз потенцiальної енергiї системи взаємодiючих частинок, упорядкованих у ґратку Браве

Автор(и)

  • B. I. Lev Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine
  • V. B. Tymchyshyn Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine
  • A. G. Zagorodny Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe62.03.0217

Ключові слова:

кулонiвський потенцiал, запорошена плазма, потенцiальна енергiя, ґратка Браве

Анотація

Запропоновано метод визначення типу ґратки, утвореної порошинками у запиленiй плазмi та оцiнки їх потенцiальної енергiї. Основоположною складнiстю цiєї задачi є мiжчастинковий потенцiал, що вiдноситься до “катастрофiчних”. Такi потенцiали потребують особливих пiдходiв, щоб уникнути розбiжностей в процесi обчислення потенцiальної енергiї. У данiй роботi розвинено необхiдну для поставленої мети модифiкацiю вiдповiдних методiв. Показано, що отриманi таким чином вирази для потенцiальної енергiї можна застосувати для визначення параметрiв ґратки, а також, що знайденi значення параметрiв вiдповiдають вiдомим експериментальним даним.

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Завантаження

Опубліковано

2018-12-16

Номер

Розділ

Плазма і гази

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