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    A non-linear resonance model for the black hole and neutron star QPOs: theory supported by observations

    Zdeněk Stuchlík · 01 listopadu, 2006 · Fyzika · 0 comments
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    Publication date: Nov 2006

    Abstract:
    Kilohertz Quasi-Periodic Oscillations (QPOs) have been detected in many
    accreting X-ray binaries. It has been suggested that the highest QPO
    frequencies observed in the modulation of the X-ray flux reflect a
    non-linear resonance between two modes of accreting disk oscillation.
    This hypothesis implies certain very general predictions, several of
    which have been borne out by observations. Some of these follow from
    properties of non-linear oscillators, while the others are specific to
    oscillations of fluid in strong gravity. A 3:2 resonant ratio of
    frequencies can be clearly recognized in the black-hole as well as in
    the neutron-star QPO data.

    Authors:
    Török, Gabriel; Abramowicz, Marek; Kluźniak, Włodek; Stuchlík, Zdeněk;

    http://adsabs.harvard.edu/abs/2006AIPC..861..786T

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