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Fig. 1


Filament radius as a function of filament density for four models. The curve labeled turbulence shows the result for a turbulent crossing time (Eq. (16)); the three curves labeled friction show results when ion-neutral friction time is assumed to be the energy dissipation time (Eqs. (17)−(18)). Frictions A and C used a gravitational accretion rate and Friction B a turbulent rate.

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