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Analog models of gravity


Analog models of gravity are attempts to model various phenomena of general relativity eg, black holes or cosmological geometries using other physical systems such as acoustics in a moving fluid, superfluid helium, or Bose–Einstein condensate; gravity waves in water; and propagation of electromagnetic waves in a dielectric medium[1] These analogs or analogies serve to provide new ways of looking at problems, permit ideas from other realms of science to be applied, and may create opportunities for practical experiments within the analogue that can be applied back to the source phenomena

History

Analog models of gravity have been used in hundreds of published articles in the last decade[2] The use of these analogues can be traced back to the very start of general relativity, with Einstein and Newton

See also

  • Acoustic metric
  • Dumb hole
  • Transformation optics

References

  1. ^ Barceló, Carlos; Liberati, Stefano; Visser, Matt 2011 "Analogue Gravity" Living Reviews in Relativity 14 3 Bibcode:2011LRR143B doi:1012942/lrr-2011-3 
  2. ^ Visser, Matt; Barceló, Carlos; Liberati, Stefano 2002 "Analogue models of and for gravity" PDF General Relativity and Gravitation 34 10: 1719–1734 arXiv:gr-qc/0111111  doi:101023/A:1020180409214 



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