Violations of the Weak Energy Condition in Inflating Spacetimes

Details Violations of the Weak Energy Condition in Inflating Spacetimes Violations of the Weak Energy Condition in Inflating Spacetimes

1997-02-10

arxiv.org/abs/gr-qc/9702019v1

Phys.Rev. D56 (1997) 717-723

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

18 pages, 1 figure (which emerges automatically if you use dvips)

Scientific paper

10.1103/PhysRevD.56.717

We argue that many future-eternal inflating spacetimes are likely to violate the weak energy condition. It is possible that such spacetimes may not enforce any of the known averaged conditions either. If this is indeed the case, it may open the door to constructing non-singular, past-eternal inflating cosmologies. Simple non-singular models are, however, unsatisfactory, and it is not clear if satisfactory models can be built that solve the problem of the initial singularity.

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