Nonlinear Transverse Cascade and Sustenance of MRI Turbulence in Keplerian Disks with an Azimuthal Magnetic Field

We investigate magnetohydrodynamic turbulence driven by the magnetorotational instability (MRI) in Keplerian disks with a nonzero net azimuthal magnetic field using shearing box simulations. As distinct from previous studies, we analyze turbulence dynamics in Fourier (k-) space to understand its sus...

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Veröffentlicht in:	The Astrophysical journal 2017-08, Vol.845 (1)
Hauptverfasser:	Gogichaishvili, D., Mamatsashvili, G., Horton, W., Chagelishvili, G., Bodo, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCRETION DISKS ANISOTROPY ASPECT RATIO ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COMPARATIVE EVALUATIONS COMPUTERIZED SIMULATION INSTABILITY MAGNETIC FIELDS MAGNETOHYDRODYNAMICS SPACE TURBULENCE
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