Quantum fog and the degradation of information by the gravitational field

Details Quantum fog and the degradation of information by the gravitational field Quantum fog and the degradation of information by the gravitational field

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gregr..25..721s&link_type=abstract

General Relativity and Gravitation, Volume 25, Issue 7, pp.721-752

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Scientific paper

In this paper we discuss how information transferred optically through a gravitational field is degraded as the quanta interact with the madium (vacuum state). We quantify information by means of Shannon's entropy, and consider information carriers that are quanta of some field. Next, we obtain the quantum noise (‘quantum fog’) produced by the gravitational field and derive the appropriate ‘channel capacity’ formula, which quantifies the maximum amount of information that can be transmitted per pulse, in the face of this noise. We show that the channel capacity formula vanishes if the source of information is a space-time singularity because a very intense noise is produced in the vicinity of the singularity. In other words, space-time singularities are hidden behind a very intense ‘quantum fog’ and cannot be optically observed. A second consequence is that information is degraded as anisotropies (lumpiness) develop in the universe.

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