Bimodal Accretion Disks: SSD-ADAF Transitions

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dc.creatorGu, Wei-Min
dc.creatorLu, Ju-Fu
dc.date2000-08-21
dc.date.accessioned2026-07-07T01:55:00Z
dc.date.available2026-07-07T01:55:00Z
dc.descriptionWe show that, unlike the results presented previously in the literature, the transition from an outer Shakura-Sunyaev disk (SSD) to an advection-dominated accretion flow (ADAF) is possible for large values of the viscosity parameter $α>0.5$. The transition is triggered by thermal instability of a radiation-pressure-supported SSD. The transition radius is close to the central black hole. We confirm our qualitative prediction by actually constructing global bimodal SSD-ADAF solutions.
dc.description12 pages, 3 figures, accepted by ApJ Letter
dc.identifierhttps://arxiv.org/abs/astro-ph/0008319
dc.identifierhttp://arxiv.org/abs/astro-ph/0008319
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/1512
dc.subjectAstrophysics
dc.titleBimodal Accretion Disks: SSD-ADAF Transitions
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