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A simple formula for the conserved charges of soliton theories.

Ferreira, L. A. and Zakrzewski, W. J. (2007) 'A simple formula for the conserved charges of soliton theories.', Journal of high energy physics., 09 . 015.

Abstract

We present a simple formula for all the conserved charges of soliton theories, evaluated on the solutions belonging to the orbit of the vacuum under the group of dressing transformations. For pedagogical reasons we perform the explicit calculations for the case of the sine-Gordon model, taken as a prototype of soliton theories. We show that the energy and momentum are boundary terms for all the solutions on the orbit of the vacuum. That orbit includes practically all the solutions of physical interest, namely solitons, multi-solitons, breathers, and combinations of solitons and breathers. The example of the mKdV equation is also given explicitly.

Item Type:Article
Keywords:Integrable hierarchies, Integrable equations in physics, Integrable field theories.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1088/1126-6708/2007/09/015
Record Created:21 Sep 2007
Last Modified:03 Dec 2009 14:56

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