Unperturbed sine-Gordon solitons as Newtonian particles
- 1 May 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 27 (9) , 5815-5816
- https://doi.org/10.1103/physrevb.27.5815
Abstract
The dynamics of the sine-Gordon soliton is studied by the consideration of the breather solution of the sine-Gordon equation in the limit of large soliton separation. It is found that in this limit the sine-Gordon soliton behaves as a Newtonian particle, i.e., the acceleration of the soliton is proportional to the force acting on it. The definition of the force acting on the soliton is scrutinized.Keywords
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