Hydrogen-Poor Disks in Compact X-Ray Binaries
Kristen Menou, Rosalba Perna, Lars Hernquist
Abstract
We show that accretion disks in several compact X-ray binaries with hydrogen-depleted donors are likely subject to a thermal ionization instability, unless they are strongly irradiated. These disks are particularly interesting in that their MHD-turbulent properties in the neutral phase may be quite different from those of standard, hydrogen-rich disks.
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