Viscosity Destabilizes Sonoluminescing Bubbles

Ruediger Tögel, Stefan Luther, Detlef Lohse

Research output: Contribution to journalArticleAcademicpeer-review

70 Citations (Scopus)
232 Downloads (Pure)


In single-bubble sonoluminescence (SBSL) microbubbles are trapped in a standing sound wave, typically in water or water-glycerol mixtures. However, in viscous liquids such as glycol, methylformamide, or sulphuric acid it is not possible to trap the bubble in a stable position. This is very peculiar as larger viscosity normally stabilizes the dynamics. Suslick and co-workers call this new mysterious state of SBSL "moving-SBSL." We identify the history force (a force nonlocal in time) as the origin of this destabilization and show that the instability is parametric. A force balance model quantitatively accounts for the observed quasiperiodic bubble trajectories.
Original languageEnglish
Article number114301
Number of pages4
JournalPhysical review letters
Issue number11
Publication statusPublished - 2006


  • METIS-231132
  • IR-59087


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