Physics
Scientific paper
Aug 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978gregr...9..661c&link_type=abstract
General Relativity and Gravitation, vol. 9, Aug. 1978, p. 661-671.
Physics
1
Cosmology, Gravitation Theory, Gravitational Collapse, Relativity, Big Bang Cosmology, Energy Conservation, Isotropic Media, Leptons, Space-Time Functions, Stress Tensors
Scientific paper
Adding gravitational self-interaction to general relativity in an intrinsic way changes drastically the behavior of a physical system under gravitational collapse. In the present analysis of this question for homogeneous and isotropic matter distributions we show that (1) the SO(1,3) gauge theory of gravity of the Yang-Mills type has the correct Newtonian limit for the late universe; (2) it defines intrinsically a dynamical gravitational stress energy-momentum tensor; and (3) negative self-energy always prevents homogeneous and isotropic matter from forming a big-bang singularity. If the present universe disposes of a positive self-energy, pair creation on the eve of the lepton era generates sufficient gravity to stop the fatal collapse.
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