Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2001-11-26
Nonlinear Sciences
Exactly Solvable and Integrable Systems
27 pages LaTeX2e, 1 encapsulated Postscript figure
Scientific paper
10.1134/1.1490104
The connection between the complex Sine and Sinh-Gordon equations on the complex plane associated with a Weierstrass type system and the possibility of construction of several classes of multivortex solutions is discussed in detail. We perform the Painlev\'e test and analyse the possibility of deriving the B\"acklund transformation from the singularity analysis of the complex Sine-Gordon equation. We make use of the analysis using the known relations for the Painlev\'{e} equations to construct explicit formulae in terms of the Umemura polynomials which are $\tau$-functions for rational solutions of the third Painlev\'{e} equation. New classes of multivortex solutions of a Weierstrass system are obtained through the use of this proposed procedure. Some physical applications are mentioned in the area of the vortex Higgs model when the complex Sine-Gordon equation is reduced to coupled Riccati equations.
Bracken Paul
Goldstein P. P.
Grundland Alfred Michel
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