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arXiv 1911.03352hep-th
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双曲模型中的振动

Oscillons in hyperbolic models

D. Bazeia, Adalto R. Gomes, K. Z. Nobrega, Fabiano C. Simas

摘要:

在这项工作中,我们研究扭结反扭结碰撞在两个不同的双曲模型。该模型依赖于一个变形参数,它控制两个主要特征的潜力与两个退化的最小值:高度的障碍和最小值。特别是,扭结的静止质量随着变形参数的增加而单调减小,并且我们识别出在扭结散射中逐渐抑制两个反弹窗口的出现和长寿命的反射子的产生。这两种效果的报告中存在一个以上的振动状态的稳定性潜力。

英文摘要:

In this work we examine kink-antikink collisions in two distinct hyperbolic models. The models depend on a deformation parameter, which controls two main characteristics of the potential with two degenerate minima: the height of the barrier and the values of the minima. In particular, the rest mass of the kinks decreases monotonically as the deformation parameter increases, and we identify the appearance of a gradual suppression of two bounce windows in the kink scattering and the production of long lived oscillons. The two effects are reported in connection to the presence of more than one vibrational state in the stability potential.

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