Analog Schwarzschild-like geometry in fluids with external pressure
arXiv:2112.13349 · doi:10.1103/PhysRevD.105.064052
Abstract
We study acoustic geometry in fluids with external pressure. In particular, we examine the conditions under which the acoustic metric mimics a Schwarzschild-like metric. We demonstrate that it is possible to mimic a Schwarzschild-like geometry in a consistent way only in the framework of relativistic acoustic geometry.
arXiv comment20 pages, comments added, a few issues clarified, conclusions expanded, typos corrected, results unchanged, to appear in Phys. Rev. D
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