Phys. Rev. Lett. 79, 2983–2986 (1997)Formation of Clusters of Localized States in a Gas Discharge System via a Self-Completion ScenarioReceived 12 May 1997; published in the issue dated 20 October 1997 Formation of extended structures composed of localized states via the self-completion scenario is observed. The localized states are actually current filaments in a dc driven planar semiconductor–gas discharge system. The structure grows from a solitary localized state in the subcritical domain, where the homogeneous state is stable. It is proved that compact hexagonal clusters form due to the attractive interaction between distant filaments. A semiphenomenological model of the activator-inhibitor type is proposed which suggests that the Turing mechanism triggers the phenomenon. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.2983
DOI:
10.1103/PhysRevLett.79.2983
PACS:
52.80.Dy
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