May 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000astu.confe...1a&link_type=abstract
Presented at the KITP Conference: Astrophysical Turbulence, May 8, 2000, Kavli Institute for Theoretical Physics, University of
Physics
Scientific paper
I review the basic properties of accretion powered pulsars, with particularreferenceto their being locally extremely super Eddington emitters of X-rays. I outline asimplemodel of an diffusion-advection model of an accretion mound at a magnetic polarcap, summarize the results of a WKB analysis of the "photon bubble" instabilityappropriate to these highly magnetized objects. I show a number of results of 2Dradiation gas dynamic simulations of this instability, which lead to a higlystructured flowbelow the accretion shock, in which low density, radiation filled pockets form,withelongated structure along B. The effect of these pockets formation anddisappearance,through radiation being fed into the overlying shock, then to be swept down andemittedfrom the base of the mound, on the time series of the emergent luminosity isshown, and compared to recent observations of the fluctuations in the lightcurve of Cen X-3, withthe conclusion that these fluctuations may be the first clear observation ofphotonbubbles in a super Eddington flow.
No associations
LandOfFree
Radiative Fluids does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Radiative Fluids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radiative Fluids will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1127955