Exotic Final States in the $\varphi^8$ Multi-Kink Collisions
Vakhid A. Gani, Aliakbar Moradi Marjaneh, Kurosh Javidan
TL;DR
This paper investigates complex scattering phenomena in the $ 8$ field theory, revealing new behaviors like oscillon formation, topological sector changes, and resonance escape windows during multi-kink collisions.
Contribution
It provides the first detailed numerical analysis of multi-kink collisions in the $ 8$ model, uncovering novel dynamic processes and resonance phenomena.
Findings
Emergence of static and moving oscillons
Change of kink topological sectors
Resonance escape windows in asymmetric collisions
Abstract
We study final states in the scattering of kinks and antikinks of the field-theoretic model. We use the initial conditions in the form of two, three or four static or moving kinks. In the numerical experiments we observe a number of different processes such as emergence of static and moving oscillons, change of the kink's topological sector, scattering of an oscillon by a kink, production of kink-antikink pairs in oscillon-oscillon collisions. In antikink-kink collisions for asymmetric kinks, we found resonance phenomena -- escape windows.
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