Relativistic Radiative Flow in a Luminous Disk II

摘要

Radiativelydriventransferflowperpendiculartoaluminousdiskisexaminedintherelativisticregimeof$$(v/c)^2$$,whiletakingintoaccountthegravityofthecentralobject.Theflowisassumedtobevertical,andthegaspressureaswellasthemagneticfieldareignored.Usingavelocity-dependentvariableEddingtonfactor,wecansolvetherigorousequationsoftherelativisticradiativeflowaccelerateduptorelativisticspeeds.Forsufficientlyluminouscases,theflowresemblesthecasewithoutgravity.Forless-luminousorsmallinitialradiuscases,however,theflowvelocitydecreasesduetogravity.Applicationtoasupercriticalaccretiondiskwithmasslossisbrieflydiscussed.