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Paper   IPM / P / 7918
School of Physics
  Title:   Effect of A Strong Magnetic Field on Single Bubble Sonoluminescence
  Author(s): 
1.  A. Moshaii
2.  R. Sadighi-Bonabi
  Status:   Preprint
  Journal:
  Year:  2005
  Supported by:  IPM
  Abstract:
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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