A Model of Low-Frequency Quasi-Periodic Oscillations in Black Hole X-Ray Binaries

Abstract

A model of low-frequency quasi-periodic oscillations (LFQPOs) of black hole X-ray binaries (BHXBs) is proposed based on the perturbed magnetohydrodynamic (MHD) equations of accretion disk. It turns out that the LFQPOs frequencies of some BHXBs can be fitted by the frequencies of the toroidal Alfvén wave oscillation corresponding to the maximal radiation flux. In addition, the positive correlation of the LFQPO frequencies with the radiation flux from accretion disk is well interpreted.

arXiv comment10 pages, 3 figures, 2 tables, accepted for publication in RAA

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