| Original Articles |
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FERMI-PASTA-ULAM RECURRENCE AND THE BOUND-STATE SOLITARY-WAVES ON THE FLUID FREE-SURFACE IN A TROUGH
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| XU Yangguang;WEI Rongjue |
| Acoustics Institute, Nanjing University, Nanjing, 210008 |
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| Cite this article: |
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XU Yangguang, WEI Rongjue 1990 Chin. Phys. Lett. 7 12-15 |
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Abstract The solution of bound-state of solitary-waves of a NLS type equation governing the modulational evolution of standing gravity wave in a rectangular fluid-trough is given. The time evolution of this solution exhibits the FPU recurrence behaviour, which is in good agreement with the phenomenon observed by Wu et al. in a water trough experiment [Phys.Rev.Lett.52(1984)1421].
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| Keywords:
47.95.+i
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Published: 01 January 1990
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