Parity-breaking bifurcation and global oscillation in patterns of ion channels.

Leonetti, Marc; Nuebler, Johannes; Homblé, Fabrice

doi:doi/10.1103/PhysRevLett.96.218101

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Parity-breaking bifurcation and global oscillation in patterns of ion channels.

par Leonetti, Marc

;Nuebler, Johannes ;Homblé, Fabrice

Référence Physical review letters, 96, 21, page (1-4), 218101
Publication Publié, 2006-06

Article révisé par les pairs

Résumé :

Stationary spatiotemporal pattern formation emerging from the electric activity of biological membranes is widespread in cells and tissues. A known key instability comes from the self-aggregation of membrane channels. In a two-dimensional geometry, we show that the primary pattern undergoes four secondary instabilities: Eckhaus-like, period-halving, drift instabilities, and a global oscillation. The stability diagram is determined. The parity-breaking (drift) bifurcation of channel density is characterized analytically and numerically.

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