On the Average Effect of a Highly Turbulent Gravito-Hydrodynamic Field in the Hadron Era of the Universe

概要

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An attempt is made to give a physical basis for our modification of Einstein's gravitational equations, which has been proposed in a previous paper to arrive at an isotropic model-universe that may bounce in the hadron era, tends rapidly to the Friedmann universe and remains regular with respect to the excitation of gravitational and rotational waves. The basic idea lies in reinterpreting the modified field equations as those for the mean-value field of a highly turbulent gravito-hydrodynamic field (obeying Einstein's equations) whose substratum is dominated by the hadronic matter with large density fluctuation. In the case where the mean-value metric represents the regular model-universe, it is shown that, so far as the bounce epoch of the universe is concerned, three characteristic mean-value quantities specifying metric, velocity and density fluctuations are compatible with the basic idea. Several problems to be pursued further are also touched upon.
理論物理学刊行会の論文
1974-11-25