Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2005-06-04
Phys. Rev. E 68, 036102 (2003)
Physics
Condensed Matter
Other Condensed Matter
5 pages, 5 figures
Scientific paper
10.1103/PhysRevE.68.036102
We investigate dynamics of exact N-soliton trains in spin chain driven by a time-dependent magnetic field by means of an inverse scattering transformation. The one-soliton solution indicates obviously the spin precession around the magnetic field and periodic shape-variation induced by the time varying field as well. In terms of the general soliton solutions N-soliton interaction and particularly various two-soliton collisions are analyzed. The inelastic collision by which we mean the soliton shape change before and after collision appears generally due to the time varying field. We, moreover, show that complete inelastic collisions can be achieved by adjusting spectrum and field parameters. This may lead a potential technique of shape control of soliton.
Li D. Z.
Li Lu
Liang Jing-Qiu
Liu Wei-Min
Ziman Timothy
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