ACCRETION DISK DYNAMO AS THE TRIGGER FOR X-RAY BINARY STATE TRANSITIONS

ABSTRACT Magnetohydrodynamic accretion disk simulations suggest that much of the energy liberated by the magnetorotational instability (MRI) can be channeled into large-scale toroidal magnetic fields through dynamo action. Under certain conditions, this field can dominate over gas and radiation pres...

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Veröffentlicht in:	The Astrophysical journal 2015-08, Vol.809 (2), p.1-10
Hauptverfasser:	Begelman, Mitchell C., Armitage, Philip J., Reynolds, Christopher S.
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCRETION DISKS accretion, accretion disks ASTROPHYSICS, COSMOLOGY AND ASTRONOMY binaries: close BINARY STARS black hole physics BLACK HOLES DENSITY Disks GRAVITATION INSTABILITY MAGNETIC FIELD CONFIGURATIONS MAGNETIC FIELDS Mathematical models OSCILLATIONS RADIATION PRESSURE Rotating generators Spectra STELLAR CORONAE X RADIATION X-ray stars X-rays: binaries
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