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Recurrence analysis as a tool to study chaotic dynamics of extreme mass ratio inspiral in signal with noise

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    0497115 - ASÚ 2019 RIV SG eng J - Journal Article
    Lukes-Gerakopoulos, Georgios - Kopáček, Ondřej
    Recurrence analysis as a tool to study chaotic dynamics of extreme mass ratio inspiral in signal with noise.
    International Journal of Modern Physics D. Roč. 27, č. 2 (2018), č. článku 1850010. ISSN 0218-2718. E-ISSN 1793-6594
    R&D Projects: GA MŠMT LD15061; GA ČR(CZ) GJ17-06962Y
    Institutional support: RVO:67985815
    Keywords : black holes * chaos
    OECD category: Astronomy (including astrophysics,space science)
    Impact factor: 2.004, year: 2018

    Recurrence analysis is a well-settled method allowing to discern chaos from order and determinism from noise. We apply this tool to study time series representing geodesic and inspiraling motion of a test particle in a deformed Kerr spacetime, when deterministic chaos and different levels of stochastic noise are present. In particular, we suggest a recurrence-based criterion to reveal whether the time series comes from a deterministic source and find a noise-level threshold of its applicability.
    Permanent Link: http://hdl.handle.net/11104/0289707

     
     
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