Derivation of nonlinear wave equations for ultrasound beam in nonuniform bubbly liquids

2012 ◽  
Author(s):  
Tetsuya Kanagawa ◽  
Takeru Yano ◽  
Junya Kawahara ◽  
Kazumichi Kobayashi ◽  
Masao Watanabe ◽  
...  
2010 ◽  
Vol 5 (3) ◽  
pp. 351-369 ◽  
Author(s):  
Tetsuya KANAGAWA ◽  
Takeru YANO ◽  
Masao WATANABE ◽  
Shigeo FUJIKAWA

Author(s):  
Rainer Mandel

AbstractIn this note we prove that the sine-Gordon breather is the only quasimonochromatic breather in the context of nonlinear wave equations in $$\mathbb {R}^N$$ R N .


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