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On pattern structures of the N-soliton solution of the discrete KP equation over a finite field

Mariusz Białecki1,2 and Jonathan J C Nimmo1,3

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The existence and properties of coherent pattern in the multisoliton solutions of the dKP equation over a finite field are investigated. To that end, starting with an algebro-geometric construction over a finite field, we derive a 'travelling wave' formula for N-soliton solutions in a finite field. However, despite it having a form similar to its analogue in the complex field case, the finite-field solutions produce patterns essentially different from those of classical interacting solitons.


PACS

05.45.Yv Solitons

02.30.Ik Integrable systems

MSC

35Q51 Solitons (See also 37K40)

35Q58 Other completely integrable equations (See also 37J35, 37K10)

Subjects

Mathematical physics

Statistical physics and nonlinear systems

Dates

Issue 5 (2 February 2007)

Received 8 September 2006, in final form 11 December 2006

Published 17 January 2007



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