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Numerical Treatment Of Rotating Neutron Stars Simulated By General-Relativistic Polytropic Models: A Complex-Plane Strategy

Author

Listed:
  • V. S. GEROYANNIS

    (Astronomy Laboratory, Department of Physics, University of Patras, Greece)

  • I. E. SFAELOS

    (Astronomy Laboratory, Department of Physics, University of Patras, Greece)

Abstract

We solve numerically in the complex plane all the differential equations involved in Hartle's perturbation method for computing general-relativistic polytropic models of rotating neutron stars. We give emphasis on computing quantities describing the geometry of models in rapid rotation. Compared to numerical results obtained by certain sophisticated iterative methods, we verify appreciable improvement of our results vs to those given by the classical Hartle's perturbative scheme.

Suggested Citation

  • V. S. Geroyannis & I. E. Sfaelos, 2011. "Numerical Treatment Of Rotating Neutron Stars Simulated By General-Relativistic Polytropic Models: A Complex-Plane Strategy," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 22(03), pages 219-248.
    • Handle: RePEc:wsi:ijmpcx:v:22:y:2011:i:03:n:s0129183111016269
    DOI: 10.1142/S0129183111016269
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