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Перемежаемость в случайной среде

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а Российский федеральный ядерный центр - Всероссийский научно-исследовательский институт экспериментальной физики, просп. Мира 37, Саров, Нижегородская обл., 607188, Российская Федерация

Для процессов неустойчивости в случайных средах характерно возникновение специфических структур, в которых растущая величина достигает рекордных значений. Несмотря на редкость этих концентраций, именно в них сосредоточена основная часть интегральных характеристик растущей величины (среднего значения, среднего квадрата и т. д.). Возникновение таких структур называется явлением перемежаемости. Геометрические свойства перемежаемых структур существенно зависят от того, является ли растущая величина скаляром или вектором. Первый случай иллюстрируется на примере неустойчивости, встречающейся в задачах химической кинетики. Второй - на задаче самовозбуждения магнитного поля в случайном потоке проводящей жидкости. Ил. 5. Библиогр. ссылок 57 (58 назв.)

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English fulltext is available at DOI: 10.1070/PU1987v030n05ABEH002867
PACS: 05.40.−a, 47.32.C− (все)
DOI: 10.3367/UFNr.0152.198705a.0003
URL: https://ufn.ru/ru/articles/1987/5/a/
Цитата: Зельдович Я Б, Молчанов С А, Рузмайкин А А, Соколов Д Д "Перемежаемость в случайной среде" УФН 152 3–32 (1987)
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English citation: Zel’dovich Ya B, Molchanov S A, Ruzmaikin A A, Sokolov D D “Intermittency in random media” Sov. Phys. Usp. 30 353–369 (1987); DOI: 10.1070/PU1987v030n05ABEH002867

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