Quantization of Gravity Based on a Condensed Matter Model

Details Quantization of Gravity Based on a Condensed Matter Model Quantization of Gravity Based on a Condensed Matter Model

1998-07-09

arxiv.org/abs/gr-qc/9807018v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages Latex, no figures. Sign errors corrected

Scientific paper

One way the ultraviolet problem may be solved is explicit physical regularization. In this scenario, QFT is only the long distance limit of some unknown non-Poincare-invariant microscopic theory. One can ask how complex and contrived such microscopic theories should be. We show that condensed matter in standard Newtonian framework is sufficient to obtain gravity. We derive a metrical theory of gravity with two additional to GR cosmological constants. The observable difference is similar to homogeneously distributed dark matter with p = -1/3 epsilon. resp. p = epsilon. The gravitational collapse stops before horizon formation and evaporates by Hawking radiation. The cutoff is not the Planck length, but expanding together with the universe. Thus, in some cosmological future microscopic effects become observable.

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