Spectral walls in multifield kink dynamics
C. Adam, K. Oles, T. Romanczukiewicz, A. Wereszczynski, W. J. Zakrzewski
Abstract
A bstract We show that spectral walls are common phenomena in the dynamics of kinks in (1+1) dimensions. They occur in models based on two or more scalar fields with a nonempty Bogomol’nyi-Prasad-Sommerfield (BPS) sector, hosting two zero modes, where they are one of the main factors governing the soliton dynamics. We also show that spectral walls appear as singularities of the dynamical vibrational moduli space.
Topics & Concepts
PhysicsGravitational singularityDynamics (music)Scalar (mathematics)Classical mechanicsModuliSolitonSpectral propertiesSpectrum (functional analysis)Scalar fieldField (mathematics)Zero (linguistics)Kink instabilityQuantum electrodynamicsSingularityContinuous spectrumModuli spaceScalar field theorySpectral lineMathematical physicsQuantum mechanicsSpectral analysisTheoretical physicsNonlinear Photonic SystemsNonlinear Waves and SolitonsQuantum Mechanics and Non-Hermitian Physics