  We investigate the thermal stability of optically thin, two-temperature,
radiative cooling-dominated accretion disks. Our linear analysis shows that the
disk is thermally unstable without magnetic fields, which agrees with previous
stability analysis on the Shapiro-Lightman-Eardley disk. By taking into account
the effects of magnetic fields, however, we find that the disk can be or partly
be thermally stable. Our results may be helpful to understand the outflows in
optically thin flows. Moreover, such radiative cooling-dominated disks may
provide a new explanation of the different behaviors between black hole and
neutron star X-ray binaries on the radio/X-ray correlation.
