How important are shock waves to single-bubble sonoluminescence?

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Abstract
By solving numerically the full set of hydrodynamic equations governing the pulsation of a bubble, we show that shock waves are often absent in a stable sonoluminescing bubble. Nevertheless, for a wide range of physical parameters, a continuous compressional wave emerges and heats up the bubble, and the resulting black-body radiations have pulse heights and widths that agree with experimental data. Shock waves, being much less robust, are not essential for stable single-bubble sonoluminescence.

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