Can Quasars Really Emit Beyond Their Eddington Limit?

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Higher redshift quasars are observed to emit significantly above their Eddington limit, raising questions about the stability of their accretion disks. Some studies suggest that exceeding this limit can occur temporarily, despite the theoretical implications that it should cause the accretion disk to destabilize. The Eddington limit is based on assumptions regarding uniform accretion and ionized hydrogen, which may not hold true in all scenarios. A link to a relevant study is provided, which attempts to explain these phenomena. Understanding these dynamics is crucial for further insights into quasar behavior and accretion processes.
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A study is showing that higher redshift quasars emit more and more above their Eddington limit. How is this possible? Shouldnt this be causing the accretion disk to fly apart?
 
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Do you have a link to this study?
 
Drakkith said:
Do you have a link to this study?

yup here it is!

http://webcache.googleusercontent.com/search?q=cache:1XHScFrhhEYJ:symposia.obs.carnegiescience.edu/series/symposium1/ms/szuszkiewicz_ms.ps.gz+&cd=1&hl=en&ct=clnk&gl=us
 
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the study tries to give an explantion .
it has been known for a while that the Eddington Limit(Le) can be exceeded for periods of time..
but recall that the Le is a hypthetical limit based on the presumption that all the material is ionized hydorgen and all the material is accreted uniformally.
 

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