Browsing Annual Research Symposium by Author "de Silva, N."

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A general relativistic solution for the space time generated by a spherical shell with constant uniform density

Wimaladharma, N.A.S.N.; de Silva, N. (University of Kelaniya, 2008)

In this paper we present a general relativistic solution for the space time generated by a spherical shell of uniform density. The Einstein's field equations are solved for a distribution of matter in the form of a ...
A metric which represents a sphere of constant uniform density comprising electrically counterpoised dust

Wimaladharma, N.A.S.N.; de Silva, N. (University of Kelaniya, 2008)

Following the authors who have worked on this problem such Bonnor et.al 1•2 , Wickramasuriya3 and we write the metric which represents a sphere of constant density p = -1-, with suitable units, as ds2 = 47Z" (e(: ))2 ...
On the Schwarzschild singularity

Rajapaksha, R.L.R.A.S.; de Silva, N. (University of Kelaniya, 2008)

The Schwarzschild ABSTRACT metric d<2�� (1- 2; }'dt' (I-�� t'-r' (d02+sin2 Od��' ) appears to behave badly near r = 2m, where gtt becomes zero, and grr tends to infinity1• There is a pathology in the line element that ...

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