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Updated: Jan 4, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Creating oscillons and oscillating kinks in two scalar field theories
R A C Correa1, A de Souza Dutra2, T Frederico3
1Scuola Internazionale Superiore di Studi Avanzati (SISSA), via Bonomea, 265, I-34136 Trieste, Italy.
Abstract:
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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