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Shear-free perfect fluids in general relativity. I. Petrov type N Weyl tensor

journal contribution
posted on 1987-01-01, 00:00 authored by John Carminati
Petrov type N, shear-free, perfect fluid solutions of the Einstein field equations are investigated. It is shown that if the fluid pressure p and energy density w are related by a barbtropic equation of state p=p(w) satisfying w+p≢0, and if the Weyl tensor is of Petrov type N then the fluid's volume expansion is zero but the vorticity is necessarily nonzero. The differential equation determining p as a function of w is given. For this class of solutions the fluid's vorticity vector is orthogonal to the acceleration. © 1987 American Institute of Physics.

History

Journal

Journal of Mathematical Physics

Volume

28

Issue

8

Pagination

1848 - 1853

ISSN

0022-2488

Publication classification

C1.1 Refereed article in a scholarly journal

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