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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access May 8, 2014

Electrovac universes with a cosmological constant

  • Nelson Posada-Aguirre EMAIL logo and Davide Batic
From the journal Open Physics


We present the extension of the Einstein-Maxwell system called electrovac universes by introducing a cosmological constant Λ. In the absence of the Λ term, the crucial equation in solving the Einstein-Maxwell system is the Laplace equation. The cosmological constant modifies this equation to become in a nonlinear partial differential equation which takes the form ΔU =2ΛU 3. We offer special solutions of this equation.

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Published Online: 2014-5-8
Published in Print: 2014-5-1

© 2014 Versita Warsaw

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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