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pro vyhledávání: '"Mendonca, T. S."'
Autor:
Mendonça, T. S., de Oliveira, H. P.
Nonlinear field theories produce unstable but long-lived configurations known as oscillons. These structures have been studied with asymmetric and symmetric double-well potentials and extended to other forms of potentials. In the present work, we exa
Externí odkaz:
http://arxiv.org/abs/2206.07900
Publikováno v:
Eur. Phys. J C 79 (2019) 1000
We investigate the collision of a new class of topological defects that tends to become compact as a control parameter increases to larger and larger values These new compactlike defects have, in general, more than one internal discrete mode dependin
Externí odkaz:
http://arxiv.org/abs/1910.05458
Autor:
Mendonça, T. S., de Oliveira, H. P.
We present a more detailed numerical investigation of the head-on collision of a two-kink/two-antikink system. We identified the escape of oscillon-like configurations as a pair of kinks of the standard $\phi^4$ model moving apart from each other. Ne
Externí odkaz:
http://arxiv.org/abs/1808.04210
Autor:
Mendonça, T. S., de Oliveira, H. P.
We present a model of two-kinks resulting from an explicit composition of two standards kinks of the $\phi^4$ model based on the procedure of Ref. \cite{uchiyama}. The two-kinks have an additional parameter accounting for the separation of the standa
Externí odkaz:
http://arxiv.org/abs/1504.07315
Autor:
Mendonça, T. S., de Oliveira, H. P.
We have investigated the head-on collision of a two-kink and a two-antikink pair that arises as a generalization of the $\phi^4$ model. We have evolved numerically the Klein-Gordon equation with a new spectral algorithm whose accuracy and convergence
Externí odkaz:
http://arxiv.org/abs/1502.03870
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