Experimental observation and characterization of the magnetorotational instability

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dc.creatorSisan, Daniel R.
dc.creatorMujica, Nicolas
dc.creatorTillotson, W. Andrew
dc.creatorHuang, Yi-Min
dc.creatorDorland, William
dc.creatorHassam, Adil B.
dc.creatorAntonsen, Thomas M.
dc.creatorLathrop, Daniel P.
dc.date2004-02-25
dc.date2004-06-29
dc.date.accessioned2026-07-07T06:24:08Z
dc.date.available2026-07-07T06:24:08Z
dc.descriptionDifferential rotation occurs in conducting flows in accretion disks and planetary cores. In such systems, the magnetorotational instability can arise from coupling Lorentz and centrifugal forces to cause large radial angular momentum fluxes. We present the first experimental observation of the magnetorotational instability. Our system consists of liquid sodium between differentially rotating spheres, with an imposed coaxial magnetic field. We characterize the observed patterns, dynamics and torque increases, and establish that this instability can occur from a hydrodynamic turbulent background.
dc.description4 pages, 5 figures. Final version, accepted for publication in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/physics/0402125
dc.identifierhttp://arxiv.org/abs/physics/0402125
dc.identifierPhys.Rev.Lett. 93 (2004) 114502
dc.identifierdoi:10.1103/PhysRevLett.93.114502
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/96442
dc.subjectFluid Dynamics
dc.subjectAstrophysics
dc.subjectGeophysics
dc.titleExperimental observation and characterization of the magnetorotational instability
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