Analogue Gravity

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Carlos Barceló
Instituto de Astrofísica de Andalucía (CSIC)
Camino Bajo de Huetor 50,
18008 Granada, Spain

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Stefano Liberati
International School for Advanced Studies and INFN
Via Beirut 2-4,
34014 Trieste, Italy

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Matt Visser
School of Mathematics, Statistics, and Computer Science
Victoria University of Wellington; PO Box 600
Wellington, New Zealand

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Analogue models of (and for) gravity have a long and distinguished history dating back to the earliest years of general relativity. In this review article we will discuss the history, aims, results, and future prospects for the various analogue models. We start the discussion by presenting a particularly simple example of an analogue model, before exploring the rich history and complex tapestry of models discussed in the literature. The last decade in particular has seen a remarkable and sustained development of analogue gravity ideas, leading to some hundreds of published articles, a workshop, two books, and this review article. Future prospects for the analogue gravity programme also look promising, both on the experimental front (where technology is rapidly advancing) and on the theoretical front (where variants of analogue models can be used as a springboard for radical attacks on the problem of quantum gravity).

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