Journal
WAVE MOTION
Volume 78, Issue -, Pages 54-59Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.wavemoti.2018.01.003
Keywords
Kink-anti kink pairs; Breather; phi(4) model; Soliton collision
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Funding
- Ferdowsi University of Mashhad [3/39442-6-1395/05/12]
- Russian Foundation for Basic Research [17-02-00984-a]
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Creation of solitons as kink-antikink pairs from particles is investigated, in the 04 model. Particle-like states are simulated by two widely separated identical wave trains which are propagated toward collision point from both sides in a trivial background. The maximal energy density that can be achieved in the collisions of the particle-like wave trains is investigated numerically for different wave train parameters. Maximum energy and number of kink-antikink pairs created after the collision is calculated and the relation between them are studied. It is shown numerically that, if the number of created kink-antikink pairs are N, the maximal energy density should be at least equal to N-2/2. (C) 2018 Elsevier B.V. All rights reserved.
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