Y. Cho et N. Miyagawa, SURFACE-ACOUSTIC-WAVE SOLITON PROPAGATING ON THE METALLIC GRATING WAVE-GUIDE, Applied physics letters, 63(9), 1993, pp. 1188-1190
The surface acoustic wave (SAW) soliton of the Korteweg-de Vries (KdV)
-type propagating on the metallic grating waveguide has been observed
experimentally. The periodic train of two solitons developed from the
continuous sine wave of SAW. A large-amplitude soliton caught up with
a small-amplitude soliton and these two solitons recombined into the i
nitial sine wave at the recurrence point. The observed wave forms agre
ed with the calculated ones very well which were obtained by solving t
he KdV equation and satisfied the first conservation law of the KdV eq
uation.