volume 42, issue 6, P1877-1883 1990
DOI: 10.1103/physrevd.42.1877
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Abstract: The strong-energy condition relevant 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 radi…

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