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en.wikipedia.org/wiki/Acoustic_metric

In mathematical physics, a metric describes the arrangement of relative distances within a surface or volume, usually measured by signals passing through the ...

www.mathpages.com/home/kmath660/kmath660.htm

Therefore, for purposes of describing and analyzing the behavior of acoustic disturbances in a medium, it is often convenient to use the acoustic metric defined ...

www.researchgate.net/post/Should_general_relativity_use_an_acoustic_metric_to_make_it_more_compatible_with_QM

Replacing the "flat" SR Minkowski metric with a more sophisticated relativistic acoustic metric seems to solve all these problems. Making such a big change to an ...

www.sciencedirect.com/science/article/pii/S0370269315008746

Nov 14, 2015 ... This is unfortunate because the near-horizon region is the most interesting part, so we will here derive a relativistic acoustic metric and recover ...

www.ask.com/youtube?q=%22acoustic+metric%22&v=EZEU41xdgDU
Mar 13, 2009 ... Acoustic version of "Gimme Sympathy" from the album FANTASIES - excerpted from "The Rawside Of..."
www.ask.com/youtube?q=%22acoustic+metric%22&v=BF5jPebjTEs
Sep 1, 2010 ... Acoustic version from the album Fantasies. Versión acústica del tema Sick Muse del álbum Fantasies.

arxiv.org/abs/1508.00732

Aug 4, 2015 ... ... of a planar black hole in asymptotic Anti-de Sitter space can, on a slice of dimension 3+1, be reproduced as a relativistic acoustic metric.

arxiv.org/abs/gr-qc/9311028

Nov 16, 1993 ... The acoustic metric --- g_{mu nu}(t,x) --- governing the propagation of sound depends algebraically on the density, flow velocity, and local ...

arxiv.org/pdf/1001.1310

May 6, 2010 ... relativistic version of the “acoustic metric” defined on an arbitrary ... As usual, the acoustic metric follows from combining the linearized Bernoulli.