Ideal gas behavior of a strongly-coupled complex (dusty) plasma
Neil P. Oxtoby, Elias J. Griffith, C\'eline Durniak, Jason F. Ralph,, Dmitry Samsonov
TL;DR
This study demonstrates that a strongly-coupled dusty plasma exhibits ideal gas behavior during shock-wave experiments, supporting the use of the ideal gas law as an equation of state for such soft crystal systems.
Contribution
It provides experimental evidence that strongly-coupled dusty plasmas can behave like an ideal gas under shock conditions, which was previously uncertain.
Findings
Dusty plasma exhibits ideal gas behavior during shock waves
Supports using ideal gas law for soft crystal plasma systems
Experimental validation of theoretical models
Abstract
In a laboratory, a two-dimensional complex (dusty) plasma consists of a low-density ionized gas containing a confined suspension of Yukawa-coupled plastic microspheres. For an initial crystal-like form, we report ideal gas behavior in this strongly-coupled system during shock-wave experiments. This evidence supports the use of the ideal gas law as the equation of state for soft crystals such as those formed by dusty plasmas.
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