Počet záznamů: 1

Internal resonance in nonlinear disk oscillations and the amplitude evolution of neutron-star kilohertz QPOs

  1. 1.
    0338102 - ASU-R 2010 RIV FR eng J - Článek v odborném periodiku
    Horák, Jiří - Abramowicz, M. A. - Kluzniak, W. - Rebusco, P. - Török, G.
    Internal resonance in nonlinear disk oscillations and the amplitude evolution of neutron-star kilohertz QPOs.
    Astronomy & Astrophysics. Roč. 499, č. 2 (2009), s. 535-540 ISSN 0004-6361
    Grant CEP: GA ČR GA205/07/0052; GA ČR GP205/06/P415
    Výzkumný záměr: CEZ:AV0Z10030501
    Klíčová slova: X-rays * neutron stars * accretion disks
    Kód oboru RIV: BN - Astronomie a nebeská mechanika, astrofyzika
    Impakt faktor: 4.179, rok: 2009

    We study the properties of twin kilohertz quasiperiodic oscillations (QPOs) with a simple toy model consisting of two oscillation modes coupled with a general nonlinear force. We examine resonant effects by slowly varying the values of the tunable, and nearly commensurable, eigenfrequencies.
    Trvalý link: http://hdl.handle.net/11104/0181962