Arbitrarily large numbers of kink internal modes in inhomogeneous sine-Gordon equations
arXiv:1607.03484 · doi:10.1016/j.physleta.2017.03.042
Abstract
We prove the existence of an infinite number of internal (shape) modes of sine-Gordon solitons in the presence of some inhomogeneous long-range forces, provided some conditions are satisfied.
arXiv comment10 pages
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