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hep-th2026
Fourier analysis of compact oscillons
Pawel Klimas, Leandro Roza Livramento, João Saldanha Streibel
We present a new derivation of the exact compact oscillon in the signum-Gordon model using Fourier methods. This approach decomposes the oscillon into an infinite, uniformly conver…
hep-th2026
Signum-Gordon spectral mass from nonlinear Fourier mode mixing
João S. Streibel, Pawel Klimas
We investigate the emergence of a spectral mass in the signum-Gordon model, a nonlinear field theory characterized by a non-analytic, V-shaped potential where standard perturbative…