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    On the Latitudinal and Radial Motion in the Field of a Rotating Black Hole

    Zdeněk Stuchlík · Leden 01, 1976 · Fyzika · 0 comments
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    Publication date: Jan 1976

    Abstract:
    The authors investigate the motion of a test particle in the Kerr metric
    using Boyer-Lindquist coordinates, extending the results of de Felice
    and Calvani (FC) (1972) to cases not covered by them, and also
    considering further details concerning, in particular, photons moving
    along the principal null congruences. Whereas FC considered only
    nonnegative values of L = q + l-squared, here negative values are
    treated. Curves are drawn showing l-aquared as a function of Theta for a
    fixed positive Gamma and typical values of L, demonstrating the
    oscillatory nature of the latitudinal motion. Four families of photon
    world lines with constant latitudes are found. A graph of L/a-squared
    versus x for a fixed l/a is drawn from calculations, which is used to
    analyze the r-motions of photons.

    Authors:
    Bicak, J.; Stuchlik, Z.;

    https://ui.adsabs.harvard.edu/abs/1976BAICz..27..129B

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