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  • 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.
  • 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. (en)
  • Kilohertzové kvaziperiodické oscilace (QPOs) byly detekovány v mnoha akrečních binárních systémech generujících rentgenovské paprsky. Bylo navrženo, že nejvyšší QPO frekvence pozorované v modulaci toku rentgenovského záření reflektují nelineární rezonanci mezi dvěma mody oscilací akrečního disku. Tato hypotéza implikuje jisté velice obecné předpovědi inspirované pozorováním. Některé z nich plynou z vlastností nelineárních oscilátorů, jiné jsou specifické pro oscilace kapaliny silných gravitačních polí. Rezonanční poměr 3:2 se jasně projevuje v datech pozorovaných v systémech s černými děrami i neutronovými hvězdami. (cs)
Title
  • A non-linear resonance model for the black hole and neutron star QPOs: theory supported by observations
  • Model nelineárních rezonancí pro QPOs u černých děr a neutronových hvězd: teorie podpořena pozorováním (cs)
  • A non-linear resonance model for the black hole and neutron star QPOs: theory supported by observations (en)
skos:prefLabel
  • A non-linear resonance model for the black hole and neutron star QPOs: theory supported by observations
  • Model nelineárních rezonancí pro QPOs u černých děr a neutronových hvězd: teorie podpořena pozorováním (cs)
  • A non-linear resonance model for the black hole and neutron star QPOs: theory supported by observations (en)
skos:notation
  • RIV/47813059:19240/06:#0000105!RIV07-MSM-19240___
http://linked.open.../vavai/riv/strany
  • A33-A33
http://linked.open...avai/riv/aktivita
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  • Z(MSM4781305903)
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  • 463693
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  • RIV/47813059:19240/06:#0000105
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  • Relativity and gravitation, X-ray binaries, time variability (en)
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  • [8994581F2510]
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  • Paris
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  • United States of America
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  • Albert Einstein Century International Conference
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  • Stuchlík, Zdeněk
  • Török, Gabriel
  • Abramowicz, Marek
  • Kluzniak, W.
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http://linked.open.../riv/zahajeniAkce
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  • American Institute of Physics
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  • 978-0-7354-0359-8
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  • 19240
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