Author

Chen Gong

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Preprint Oct 2026

Global dynamics for the 1d quartic Klein-Gordon equation with an internal mode

We study a one dimensional nonlinear Klein-Gordon equation with a potential, a localized quadratic nonlinearity, and a non-localized quartic nonlinearity. We assume that the linearized operator has a single discrete eigenvalue below the continuous spectrum, corresponding to an''internal mode''. This eigenvalue generate...

Chen Gong, Gael Y. Diebou, Adilbek Kairzhan et al. · 0 citations