Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.276..453b&link_type=abstract
Nature, vol. 276, Nov. 30, 1978, p. 453-459. Research supported by Lindemann Trust
Astronomy and Astrophysics
Astronomy
33
Big Bang Cosmology, Energy Dissipation, Gravitation Theory, Isotropy, Universe, Baryons, Black Body Radiation, Black Holes (Astronomy), Elementary Particles, Entropy, Quantum Mechanics, Relativity, Stability
Scientific paper
It is shown that if the universe expands forever, it will become increasingly irregular in the far future. In particular, it is demonstrated that the Hawking black-hole evaporation process causes a vortical instability to develop in spatially homogeneous spacetimes which are approximately k = 0 Friedmann universes. The increase of irregularity is associated with the increase of gravitational-field entropy, thus providing a novel picture of the universal heat death.
Barrow John D.
Tipler Frank J.
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