The gravitational arrow of time

Details The gravitational arrow of time The gravitational arrow of time

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phla..112...26b&link_type=abstract

Physics Letters A, Volume 112, Issue 1-2, p. 26-28.

Physics

26

Scientific paper

Taking the recollapsing Tolman cosmological models and excluding white
holes, I show that a certain invariant, constructed from the Weyl and
Ricci tensors, is a non-decreasing function of the cosmic time. I then
define a vector which could describe the gravitational entropy flux in
these models.

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