Turbulent Pressure Evolution in Collapsing Protostellar Clouds

Details Turbulent Pressure Evolution in Collapsing Protostellar Clouds Turbulent Pressure Evolution in Collapsing Protostellar Clouds

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26at...22...43d&link_type=abstract

Astronomical and Astrophysical Transactions, vol. 22, Issue 1, p.43-46

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

An influence of ambipolar diffusion on turbulent pressure (Pt) evolution in collapsing molecular cloud cores is investigated analytically. Exact solution for Alfven waves in free collapsing weakly ionized slab is found and then used to derive an equation for Pt. Taking ambipolar diffusion into account, we show that the pressure-density relation Pt() is non-power-law in general, and can be much softer than Pt /2.

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