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On the impossibility of advection dominated accretion

Abstract:
Using only the assumption that all interactions between particles in an accretion flow are electromagnetically mediated, it is shown that the time to establish equipartition between ions and electrons is shorter than the characteristic accretion time. Consequently, two-temperature fits to the spectra of accreting objects are unphysical, and models in which significant thermal energy is carried across the event horizon are effectively ruled out.

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Publication date:
2003-08-11
Source identifiers:
167464
Keywords:
Pubs id:
pubs:167464
UUID:
uuid:d2003d58-d244-4d7c-b461-3843b56579cd
Local pid:
pubs:167464
Deposit date:
2013-02-20

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