Energy conditions allow eternal inflation
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DOI: 10.1088/1475-7516/2021/03/097
Abstract: Eternal inflation requires upward fluctuations of the energy in a Hubble volume, which appear to violate the energy conditions. In particular, a scalar field in an inflating spacetime should obey the averaged null energy condition,… read more here.
Keywords: energy; conditions allow; energy conditions; allow eternal ... See more keywords