Recent X-ray observations of the accretion disks in stellar black hole candidates have revealed rather complex behavior, which cannot be fully described by the simple picture of the standard disk model. In this paper, therefore, we discuss the effects of e+e- pair creation on the structure and the stability of hot accretion disks, aiming at the thorough understanding of emission properties of X-ray binaries containing black holes.

• Shin Mine-Shige(Department of Astronomy, Kyoto University)
• Kusunose Masaaki(Nicolaus Copernicus Astronomical Center)