1983•Journal of Physics A Mathematical and GeneralRequires access
A new interior solution of Einstein's field equations for a spherically symmetric perfect fluid in shear-free motion
Hans Stephani
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Abstract
Although spherically symmetric expanding (or contracting) stars are a very important class of objects for the application of general relativity theory, only very few perfect fluid solutions of Einstein's equations have been found so far. A new class of exact solutions is presented which contains two arbitrary functions of time and one additional parameter.