Tidal Forces in Reissner-Nordström Spacetimes

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  • Luís C. B. Crispino
  • Atsushi Higuchi
  • Leandro A. Oliveira
  • Ednilton S. de Oliveira


Publication details

JournalEuropean Physical Journal C (Particles and Fields)
DateAccepted/In press - 23 Feb 2016
DateE-pub ahead of print (current) - 26 Mar 2016
Issue number3
Number of pages7
Early online date26/03/16
Original languageEnglish


We analyze the tidal forces produced in the spacetime of Reissner-Nordstr\"om black holes. We point out that the radial component of the tidal force changes sign just outside the event horizon if the charge-to-mass ratio is close to $1$ unlike in Schwarzschild spacetime of uncharged black holes, and that the angular component changes sign between the outer and inner horizons. We solve the geodesic deviation equations for radially falling bodies towards the charged black hole. We find, for example, that the radial component of the geodesic deviation vector starts decreasing inside the event horizon unlike in the Schwarzschild case.

Bibliographical note

7 pages, 5 figures. Accepted for publication in European Physical Journal C

© The Author(s) 2016.

    Research areas

  • gr-qc


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