Hamiltonian dynamics and the entropy of the gravitational field

Details Hamiltonian dynamics and the entropy of the gravitational field Hamiltonian dynamics and the entropy of the gravitational field

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997phla..224..227r&link_type=abstract

Physics Letters A, v. 224, p. 227-233.

Physics

7

Scientific paper

We take a statistical mechanics approach to investigate the function S = ln Ω as a possible ``gravitational entropy'', where Ω is the phase-space volume bounded by a Hamiltonian H. We calculate Ω for several cosmological models, attributing entropy to a lack of knowledge in the exact field configuration. We also compare our results with Penrose's C2 hypothesis and the Bekenstein-Hawking entropy for black holes.

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