Summary
The models are solutions of Einstein's equations for dust with plane symmetry. For the particular caseK=0, a new solution is found. This solution depends on one arbitrary function which evolves to the open Robertson-Walker model ast→∞, but whose density on an initial spacelike hypersurface is an arbitrary function ofz.
Riassunto
I modelli sono soluzioni di equazioni di Einstein per polvere a simmetria piana. Per il caso particolareK=0, si trova una nuova soluzione. Questa soluzione dipende da una funzione arbitraria che evolve verso il modello di Robertson e Walker pertр∞, ma la cui densità su un'ipersuperficie iniziale del tipo spazio è una funzione arbitraria diz.
Резюме
Для случаяK=0 получено новое решение для неоднородной плоскосимметричной пылевой модели. Возможности эволюции оказываются различными. Получен результат, что открытая модель Фридмана может эволюционировать из множества начальных состояний.
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References
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G. D. Birkhoff:Relativity and Modern Physics (Oxford, 1927). For the plane-symmetric case, seeA. H. Taub:Phys. Rev.,103, 454 (1956);Ann. Math.,53, 472 (1951).
C. W. Misner, K. S. Thorne andJ. A. Wheeler:Gravitation (London, 1973), p. 801.
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Tomimura, N. Evolution of inhomogeneous plane-symmetric cosmological models. Nuov Cim B 44, 372–380 (1978). https://doi.org/10.1007/BF02726799
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DOI: https://doi.org/10.1007/BF02726799