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Exact relativistic model for a superdense star
Assuming that the physical 3-spacet = const in a superdense star is spheroidal, a static spherically symmetric model based on an exact solution of Einstein’s equations is given which will permitExpand
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The gravitational field of a radiating star
SummaryA star of mass M and radiusr0 is supposed to start radiating at timet0. The zone of radiation extends tor=r1 at a later instantt=t1. The energy tensor for the radiation zone, describing theExpand
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The Gravitational Field of a Radiating Star
A star of mass M and radiusr 0 is supposed to start radiating at timet 0. The zone of radiation extends tor=r 1 at a later instantt=t 1. The energy tensor for the radiation zone, describing theExpand
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Nonstatic Solutions of Einstein's Field Equations for Spheres of Fluids Radiating Energy
The energy tensor for a mixture of matter and outflowing radiation is derived, and a set of equations following from Einstein's field equations are written down whose solutions would representExpand
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Spherically symmetric radiation of charge in Einstein-Maxwell theory
We give solutions of the Einstein-Maxwell equations describing the emission of charged null fluid from a spherically symmetric body. The electromagnetic field is parallel to the direction of energyExpand
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‘Newtonian’ Time in General Relativity
A RESULT recently given by Eisenhart1 suggests an interesting application in general relativity. According to it, we can choose co-ordinates in which a line element showing spherical symmetry wouldExpand
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Gravitational contraction of charged fluid spheres
A model of a charged fluid sphere undergoing gravitational contraction is constructed on the lines of the Oppenheimer-Snyder model of uncharged collapsing spheres.
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