Browsing Department of Mathematics by Author "Maharaj, S. D."

Browsing Department of Mathematics by Author "Maharaj, S. D."

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  • Charged anisotropic matter with a linear equation of state, Classical and Quantum Gravity 
    Thirukkanesh, S; Maharaj, S. D. (Classical and Quantum Gravity, 2008)
    We consider the general situation of a compact relativistic body with anisotropic pressures in the presence of the electromagnetic field. The equation of state for the matter distribution is linear and may be applied to ...
  • Charged relativistic spheres with generalized potentials 
    Thirukkanesh, S.; Maharaj, S. D. (Mathematical Methods in the Applied Sciences, 2009)
    A new class of exact solutions of the Einstein-Maxwell system is found in closed form. This is achieved by choosing a generalised form for one of the gravitational potentials and a particular form for the electric field ...
  • Exact models for isotropic matter 
    Thirukkanesh, S; Maharaj, S. D. (Classical and Quantum Gravity, 2006)
    We study the Einstein-Maxwell system of equations in spherically symmetric gravitational fields for static interior spacetimes. The condition for pressure isotropy is reduced to a recurrence equation with variable, ...
  • Generalized isothermal models with strange equation of state 
    Thirukkanesh, S; Maharaj, S. D. (PRAMANA- journal of Physics, 2008)
    We consider the linear equation of state for matter distributions that may be applied to strange stars with quark matter. In our general approach the compact relativistic body allows for anisotropic pressures in the ...
  • Generating potentials via difference equations, 
    Maharaj, S. D.; Thirukkanesh, S (Mathematical Methods in the Applied Sciences, 2006)
    The condition for pressure isotropy, for spherically symmetric gravitational fields with charged and uncharged matter, is reduced to a recurrence equation with variable, rational coefficients. This difference equation is ...
  • Mixed potentials in radiative stellar collapse 
    Thirukkanesh, S.; Maharaj, S. D. (Journal of Mathematical Physics, 2010)
    We study the behaviour of a radiating star when the interior expanding, shearing fluid particles are traveling in geodesic motion. We demonstrate that it is possible to obtain new classes of exact solutions in terms of ...
  • Radiating relativistic matter in geodesic motion 
    Thirukkanesh, S.; Maharaj, S. D. (Journal of Mathematical Physics, 2009)
    We study the gravitational behaviour of a spherically symmetric radiating star when the fluid particles are in geodesic motion. We transform the governing equation into a simpler form which allows for a general analytic ...
  • Shearing radiative collapse with expansion and acceleration 
    Thirukkanesh, S.; Rajah, S. S.; Maharaj, S. D. (Journal of Mathematical Physics, 2012)
    We investigate the behaviour of a relativistic spherically symmetric radiative star with an accelerating, expanding and shearing interior matter distribution in the presence of anisotropic pressures. The junction condition ...
  • Some new static charged spheres 
    Maharaj, S. D.; Thirukkanesh, S. (Nonlinear Analysis- Real World Applications, 2009)
    We present new exact solutions for the Einstein-Maxwell system in static spherically symmetric interior spacetimes. For a particular form of the gravitational potentials and the electric field intensity, it is possible ...

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