Traveling waves in magnetized Taylor-Couette flow
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We investigate numerically a traveling wave pattern observed in experimental magnetized Taylor-Couette flow at low magnetic Reynolds number. By accurately modeling viscous and magnetic boundaries in all directions, we reproduce the experimentally measured wave patterns and their amplitudes. Contrary to previous claims, the waves are shown to be transiently amplified disturbances launched by viscous boundary layers rather than globally unstable magnetorotational modes.
4 pages, 3 figures and 1 table, accepted by PRE. Minor revision according to referees
4 pages, 3 figures and 1 table, accepted by PRE. Minor revision according to referees