Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2004-09-19
J. Phys. Soc. Jpn. 74 (2005) 239-241
Nonlinear Sciences
Exactly Solvable and Integrable Systems
7 pages
Scientific paper
10.1143/JPSJ.74.239
We prove that the Schafer-Wayne short pulse equation (SPE) which describes
the propagation of ultra-short optical pulses in nonlinear media is integrable.
First, we discover a Lax pair of the SPE which turns out to be of the
Wadati-Konno-Ichikawa type. Second, we construct a chain of transformations
which relates the SPE with the sine-Gordon equation.
Sakovich Anton
Sakovich Sergei
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