Phys. Rev. D 42, 1877–1883 (1990)Avoidance of singularities in relativity through two-body interactionsReceived 12 February 1990; published in the issue dated 15 September 1990 The strong-energy condition releavant to the singularity theorems of general relativity is examined in the high-density regime. We find that a class of two-body interactions between particles of a fluid can produce a negative pressure sufficient to violate the strong-energy condition. The cosmological implication of this phenomenon is investigated in a closed Robertson-Walker universe. We present a model in which the collapse of the universe into a singularity is avoided with unit probability. The minimum radius of the universe is determined by the strength of the interaction. © 1990 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.42.1877
DOI:
10.1103/PhysRevD.42.1877
PACS:
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