О столкновениях доменных стенок в одной суперсимметричной модели

Авторы: Гани В.А., Кудрявцев А.Е.
Журнал: Ядерная физика
Том: 64
Номер: 11
Год издания: 2001
Издательство: ФГБУ "Издательство "Наука"
Местоположение издательства: Москва
Первая страница: 2130
Последняя страница: 2137
Аннотация: (in Russian)The process of collision of two parallel domain walls in a supersymmetric model is studied both in effective Lagrangian approximation and by numerical solving of the exact classical field problem. For small initial velocities we find that the walls interaction looks like elastic reflection with some delay. It is also shown that in such approximation internal parameter of the wall may be considered as a time-dependent dynamical variable.We study the time evolution of configurations in the form of two parallel domain walls moving towards each other in a supersymmetric field model. The configurations involved are not BPS-saturated. It is found that for such collisions there exists some critical value vcr≈0.9120 of the initial velocity $v_i$ of the walls. At $v_i<v_{cr}$ we observed reflection, that was not followed by change of vacuum states sequence. In collisions with $v_i>v_{cr}$ the sequence of vacuum states changes. The results of the numerical simulations are in agreement with "potential" consideration.
Добавил в систему: Гани Вахид Абдулович

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