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  • We review arguments suggesting that millisecond variability detected in the X-ray flux of LMXBs has its origin in oscillation modes of the accretion disk. The twin high-frequency QPOs observed in microquasars seem to be related to the twin kHz QPOs in neutron-star systems, and both phenomena are likely the result of a non-linear resonance in the accretion disk that is possible only in strong-field gravity. A presumed 3:2 eigenfrequency ratio of the resonant modes corresponds to the 3:2 QPO frequency ratio clearly detected in black-hole systems, as well as to the more complex distribution of kHz QPO frequency pairs in neutron stars.
  • We review arguments suggesting that millisecond variability detected in the X-ray flux of LMXBs has its origin in oscillation modes of the accretion disk. The twin high-frequency QPOs observed in microquasars seem to be related to the twin kHz QPOs in neutron-star systems, and both phenomena are likely the result of a non-linear resonance in the accretion disk that is possible only in strong-field gravity. A presumed 3:2 eigenfrequency ratio of the resonant modes corresponds to the 3:2 QPO frequency ratio clearly detected in black-hole systems, as well as to the more complex distribution of kHz QPO frequency pairs in neutron stars. (en)
Title
  • QPOS and resonance in accretion disks
  • QPOS and resonance in accretion disks (en)
skos:prefLabel
  • QPOS and resonance in accretion disks
  • QPOS and resonance in accretion disks (en)
skos:notation
  • RIV/47813059:19240/07:#0003011!RIV11-MSM-19240___
http://linked.open...avai/riv/aktivita
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  • Z(MSM4781305903)
http://linked.open...vai/riv/dodaniDat
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  • 446083
http://linked.open...ai/riv/idVysledku
  • RIV/47813059:19240/07:#0003011
http://linked.open...riv/jazykVysledku
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  • accretion, accretion disks, black hole physics, hydrodynamics, neutron stars (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [830FBACA13DB]
http://linked.open...v/mistoKonaniAkce
  • Cozumel, MEXICO
http://linked.open...i/riv/mistoVydani
  • Mexico
http://linked.open...i/riv/nazevZdroje
  • REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, SERIE DE CONFERENCIAS
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  • Török, Gabriel
  • Abramowicz, Marek
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
issn
  • 1405-2059
number of pages
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  • UNIVERSIDAD NACIONAL AUTONOMA MEXICO INSTITUTO ASTRONOMIA, APARTADO POSTAL 70-264, MEXICO CITY 04510, MEXICO
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  • 978-970-32-2805-8
http://localhost/t...ganizacniJednotka
  • 19240
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