Effect of pressure on statics, dynamics, and stability of multielectron bubbles.

@article{Tempere2001EffectOP,
  title={Effect of pressure on statics, dynamics, and stability of multielectron bubbles.},
  author={Jacques Tempere and Isaac F Silvera and Jozef T. Devreese},
  journal={Physical review letters},
  year={2001},
  volume={87 27 Pt 1},
  pages={
          275301
        }
}
The effect of positive and negative pressure on the modes of oscillation of a multielectron bubble in liquid helium is calculated. Already at low pressures of the order of 10-100 mbar, these effects are found to significantly modify the frequencies of oscillation of the bubble. Stabilization of the bubble is shown to occur in the presence of a small negative pressure, which expands the bubble radius. Above a threshold negative pressure, the bubble is unstable. 

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