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2002MNRAS.335..247M - Mon. Not. R. Astron. Soc., 335, 247-255 (2002/September-2)
Magnetically warped discs in close binaries.
MURRAY J.R., CHAKRABARTY D., WYNN G.A. and KRAMER L.
Abstract (from CDS):
We demonstrate that measurable vertical structure can be excited in the accretion disc of a close binary system by a dipolar magnetic field centred on the secondary star. We present the first high-resolution hydrodynamic simulations to show the initial development of a uniform warp in a tidally truncated accretion disc. The warp precesses retrogradely with respect to the inertial frame. The amplitude depends on the phase of the warp with respect to the binary frame. A warped disc is the best available explanation for negative superhumps.
Abstract Copyright: RAS
Journal keyword(s): accretion, accretion discs - hydrodynamics - instabilities - methods: numerical - binaries: close - novae, cataclysmic variables.
Simbad objects: 4
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