Abstract
view Abstract Citations (16) References (20) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Is the degree of ionization always relevant for ambipolar diffusion in interstellar clouds Mouschovias, T. C. Abstract The well-known result that ambipolar diffusion proceeds faster at smaller degrees of ionization is reexamined. It is concluded that, in interstellar clouds of moderate density, the degree of ionization is not relevant to ambipolar diffusion. In much denser clouds in which gravitational forces can dominate, the degree of ionization does not uniquely determine the rate at which ambipolar diffusion progresses; the specification of two additional dimensionless parameters is necessary. The underlying physics is discussed. Publication: The Astrophysical Journal Pub Date: January 1982 DOI: 10.1086/159545 Bibcode: 1982ApJ...252..193M Keywords: Ambipolar Diffusion; Interstellar Chemistry; Interstellar Matter; Ion Production Rates; Magnetohydrodynamics; Plasma Clouds; Interstellar Magnetic Fields; Plasma Diffusion; Stellar Evolution; Astrophysics full text sources ADS |
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