“School of Physics”
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| Paper IPM / P / 7918 |
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| Abstract: | |||||
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Effect of a strong magnetic �eld on different properties of a
single sonoluminescing bubble has been studied theoretically with
regard to the experimental report of Young et al. [Phys. Rev.
Lett. 77, 4816, (1996)]. We performed a hydrochemical simulation
including the magnetic �eld force on electric dipole moments of
liquid molecules surrounding the bubble. We obtained that at
constant pressure forces, the presence of magnetic �eld reduces
the bubble equilibrium radius. This generates a decrease in the
violence of bubble collapse and the peak temperature attainable at
the end of it, which �nally results in a reduction in the
sonoluminescence radiation intensity. Our simulation also shows
that the magnetic �eld considerably increases the pressure
threshold of disappearance of a sonoluminescing bubble and the
concerned calculation results are in a good quantitative agreement
with the available experimental data.
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