Kink dynamics in a novel discrete sine-Gordon system.

Speight, J.M.; Ward, R.S.

Abstract

A spatially-discrete sine-Gordon system with some novel features is described. There is a topological or Bogomol'nyi lower bound on the energy of a kink, and an explicit static kink which saturates this bound. There is no Peierls potential barrier, and consequently the motion of a kink is simpler, especially at low speeds. At higher speeds, it radiates and slows down.

Citation

Speight, J., & Ward, R. (1994). Kink dynamics in a novel discrete sine-Gordon system. Nonlinearity, 1(2), 475-484. https://doi.org/10.1088/0951-7715/7/2/009

• Journal Article Type: Article
• Publication Date: 1994-03
• Journal: Nonlinearity
• Print ISSN: 0951-7715
• Electronic ISSN: 1361-6544
• Publisher: IOP Publishing
• Volume: 1
• Issue: 2
• Pages: 475-484
• DOI: https://doi.org/10.1088/0951-7715/7/2/009