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. 2003 Apr 4;90(13):138102.
doi: 10.1103/PhysRevLett.90.138102. Epub 2003 Apr 3.

Instabilities of isotropic solutions of active polar filaments

Tanniemola B Liverpool  1 , M Cristina Marchetti
Affiliations

Instabilities of isotropic solutions of active polar filaments

Tanniemola B Liverpool et al. Phys Rev Lett. .

Abstract

We study the dynamics of an isotropic solution of polar filaments coupled by molecular motors which generate relative motion of the filaments in two and three dimensions. We investigate the stability of the homogeneous state for constant motor concentration taking into account excluded volume and an estimate of entanglement. At low filament density the system develops a density instability, while at high density entanglement drives the instability of orientational fluctuations.

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