Creating oscillons and oscillating kinks in two scalar field theories
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2019-10-01
Autores
Correa, R. A.C.
De Souza Dutra, A. [UNESP]
Frederico, T.
Malomed, Boris A.
Oliveira, O.
Sawado, N.
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Oscillons are time-dependent, localized in space, extremely long-lived states in nonlinear scalar-field models, while kinks are topological solitons in one spatial dimension. In the present work, we show new classes of oscillons and oscillating kinks in a system of two nonlinearly coupled scalar fields in 1 + 1 spatiotemporal dimensions. The solutions contain a control parameter, the variation of which produces oscillons and kinks with a flat-top shape. The model finds applications in condensed matter, cosmology, and high-energy physics.
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Chaos, v. 29, n. 10, 2019.