Analogue models of and for gravity

Details Analogue models of and for gravity Analogue models of and for gravity

2001-11-30

arxiv.org/abs/gr-qc/0111111v1

Gen.Rel.Grav. 34 (2002) 1719-1734

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Plain LaTeX2E; 20 page mini-survey; one eps figure. Plenary talk at the Australasian Relativity Conference (Perth, July 2001).

Scientific paper

Condensed matter systems, such as acoustics in flowing fluids, light in moving dielectrics, or quasiparticles in a moving superfluid, can be used to mimic aspects of general relativity. More precisely these systems (and others) provide experimentally accessible models of curved-space quantum field theory. As such they mimic kinematic aspects of general relativity, though typically they do not mimic the *dynamics*. Although these analogue models are thereby limited in their ability to duplicate all the effects of Einstein gravity they nevertheless are extremely important -- they provide black hole analogues (some of which have already been seen experimentally) and lead to tests of basic principles of curved-space quantum field theory. Currently these tests are still in the realm of *gedanken-experiments*, but there are plausible candidate models that should lead to laboratory experiments in the not too distant future.

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