Volume 5, Issue 4, April 1998
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5(1998); http://dx.doi.org/10.1063/1.873089View Description Hide Description
Experimental observation of transitions between discrete longitudinal wave modes in a dc neon glow discharge is reported. Experimental findings concerning the pattern selecting instability agree with observations of the Eckhaus instability in fluid systems. This is supported by theoretical considerations of a model equation (Complex Ginzburg–Landau equation) based on a fluid model.