qc / 0 70 20 72 v 2 14 F eb 2 00 7 1 / f fluctuations in spinning - particle motions around Schwarzschild black hole
نویسندگان
چکیده
We study the properties of chaos in spinning-particle motions in Schwarzschild spacetime. We characterize the chaos in the motions using the power spectrum. We discover that the power spectrum shows not only white noise but also 1/f type fluctuation, depending on the value of the spin and the angular momentum of the test particle. We obtain the phase diagram for the properties of the chaos. Furthermore, we suggest that the origin of the 1/f fluctuations is the “stagnant motions,” itinerating among regular orbits (tori).
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