Sudden future singularities
Sudden future singularities
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DOI:
10.1088/0264-9381/21/11/l03
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发表时间:
2004-03
影响因子:
3.5
通讯作者:
J. Barrow
中科院分区:
文献类型:
--
作者:
J. Barrow
We show that a singularity can occur at a finite future time in an expanding Friedmann universe even when ? > 0 and ? + 3p > 0. Explicit examples are constructed and a simple condition is given which can be used to eliminate behaviour of this sort if it is judged to be unphysical.